Number and Algebra

Browse class notes, worksheets, summaries, videos and activities organised by number and algebra topic. To suggest a resource or report a broken link, please use the contact form.

Whole Numbers

Addition and Subtraction

–Y7 Whole Numbers – 13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) –Whole Number addition and subtraction (~13-minute video) by Darren Smyth (https://maffsguru.com)

Multiplication and Division

–Y7 Whole Numbers – 13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) –Whole number multiplication and division (~17 minute video) by Darren Smyth (https://maffsguru.com)

Rounding

–Y7 Whole Numbers – 13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) –Estimating and Rounding (~14 minute video) by Darren Smyth (https://maffsguru.com)

Order of Operations

Introduction to order of operations ↗ — Khan Academy video

–Y7 Whole Numbers – 13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) – Order of Operations(~13 minute video) by Darren Smyth (https://maffsguru.com) (MathsTeachersOnly.com)

Investigations and further practice

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Place value practice

Place Value — Maths Genie — Year 7 revision; UK-based booklet. Solutions.

Number Properties and Patterns

  • Y8 Integers – 21 pages of class notes and handwritten solutions (MathsTeachersOnly.com)
  • Number Properties (16-minute video) by Darren Smyth (https://maffsguru.com).
  • Prime Factorisation Four lessons explore prime factorisation and how it can be used to solve problems related to the properties of numbers shared by reSolve
  • The Fundamental Theorem of Arithmetic –Video(3:52)An introductory video from Khan Academy. Covers primes , composites, prime factorisation and a thorough explanation of the fundamental theorem of arithmetic.

Highest (or Greatest) Common Factor (HCF (or GCF)) and Lowest Common Multiple (LCM)

  • HCF &LCM notes and videos (https://www.onlinemathlearning.com)
  • HCF and LCM(~17 minute video) by Darren Smyth (https://maffsguru.com)
  • HCF and LCM methods (https://www.onlinemath4all.com)

Divisibility Tests

Divisibility Rules  summary (https://www.mathsisfun.com) Divisibility Rules for numbers 2-12, 15, 18, 25 summary ( https://www.onlinemath4all.com/)

Prime decomposition

  • Prime & Composite Numbers Song: – lyrics included by Numberock
  • Prime Numbers (~7 minute video) by Darren Smyth (https://maffsguru.com)
  • Prime Decomposition (10-minute video) by Darren Smyth (https://maffsguru.com)

Squares and Square Roots

Squares and square roots (~13 minute video) by Darren Smyth (https://maffsguru.com)

Investigations and further practice

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Integers

Addition and subtraction of integers

–Y8 Integers: Adding and Subtracting -Worksheet (MathsTeachersOnly.com) –Whole number addition and subtraction (~11 minute video) by Darren Smyth (https://maffsguru.com)

Multiplication and Division of Integers

Whole number multiplication and division (17 minute video) by Darren Smyth (https://maffsguru.com)

Investigations and further practice

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Fractions and Percentages

  • Representing and comparing quantities (original resource unavailable) -activities designed to develop students’ understanding of fractions, decimals, percentages and standard form. Teacher resources for these activities are also included. (NRICH Maths).
  • Fractions, decimals and percentages- a playlist of 9 short videos on how to to compare fractions and compare decimals, and to convert between fractions, decimals and percentages by Rex Boggs.
  • A free online interactive percentage game that involves planning a park with a range of different features such as grass, water, woodland, flowers and playgrounds. Students read what percentage of the park each feature should cover and try to make it happen. Then they are asked to achieve the same goal using decimals.
  • Y8 Fractions, Decimals and Percentages -13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Fractions

Equivalent fractions

Mixed Numbers

  • Mixed numbers (16 minute video) by Darren Smyth (https://maffsguru.com)

Fraction Walls

Adding fractions

Adding fractions with different denominators ↗ — Khan Academy video

Free worksheet “Fraction-Four Rules” -adding subtracting, multiplying and dividing fractions found at Mathster.com. More free worksheets on many other topics can also be found here. Free worksheet “Fraction-Addition and Subtraction” -adding subtracting fractions found at Mathster.com. More free worksheets on many other topics can also be found here.

Subtracting fractions

Free worksheet “Fraction-Four Rules” -adding subtracting, multiplying and dividing fractions found at Mathster.com. More free worksheets on many other topics can also be found here.

Multiplying fractions

Free worksheet “Fraction-Four Rules” -adding subtracting, multiplying and dividing fractions found at Mathster.com. More free worksheets on many other topics can also be found here.

Dividing fractions

Division of fractions lesson ( https://www.mathsisfun.com/) Free worksheet “Fraction-Four Rules” -adding subtracting, multiplying and dividing fractions found at Mathster.com. More free worksheets on many other topics can also be found here.

Percentages

Which coupon should I use? Dan Meyer’s Three-Act Maths task

Investigations and further practice

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Decimals

Operations with decimals

Multiplying decimals ↗ — Khan Academy video

Dividing by a multi-digit decimal ↗ — Khan Academy video

Adding and subtracting decimals (~10 minute video) by Darren Smyth (https://maffsguru.com)

Investigations and further practice

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Ratios and Rates

Investigations and further practice

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Financial Maths

Recursion and Financial Maths Review for VCE Further Maths (40 min video)-An overview of the key skills required for Recurrence & Financial Modelling, covering some examples from past VCAA papers.
Recursion and Financial Modelling Summary (pdf) for VCE Further Maths from the Maths dept of St Leonard’s College.

Investigations and further practice

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Indices

Scientific notation

Scientific notation examples ↗ — Khan Academy video

What is standard form?  by Pythagoras and That (UK site)

Investigations and further practice

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Sequences and Series

Arithmetic and geometric sequences

Introduction to arithmetic sequences ↗ — Khan Academy video

Introduction to geometric sequences ↗ — Khan Academy video

-A great activity for teaching arithmetic sequences- “Expressing Number Patterns” by Bob Lochel found at Amplify Classroom (formerly Desmos Classroom) –Sequences and Series – A pdf guide for teachers: Principal author: Peter Brown (http://amsi.org.au/ESA_ Senior_Years/seniors_years. html)

Investigations and further practice

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Number and Proof

Introduction to two-column algebra and geometry proofs  free downloads (Introducing Two-Column Geometry Proofs: A Different Approach -post by mathgiraffe.com)

Direct proof

Two pages of notes including examples and exercises contributed to the Mathcentre Community Project by Katy Dobson, University of Leeds (http://www.mathcentre.ac.uk/students/topics/proofs/direct/)

Proof by induction

Two pages of notes including examples and exercises contributed to the Mathcentre Community Project by Katy Dobson, University of Leeds (http://www.mathcentre.ac.uk/students/topics/proofs/proof-by-induction/) Two pages of further examples contributed to the Mathcentre Community Project by Katy Dobson, University of Leeds (http://www.mathcentre.ac.uk/students/topics/proofs/proof-by-induction/)

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Algebraic Expressions

–Y9 Algebra 24- pages of fill-in class notes with handwritten solutions (MathsTeachersOnly.com) –Y10 Quadratic Equations -15 pages of fill-in class notes with handwritten solutions (MathsTeachersOnly.com) –Y10_10A Quadratics: One-page summary for factorising quadratic expressions and solving quadratic equations (MathsTeachersOnly.com) -A hands-on activity on how to teach collecting like terms using reversible (white/red) unit squares and strips-Ppt (13 slides) –Quadratic Factorisation and Expansion worksheet -18 practice questions (MathsTeachersOnly.com)

The language of algebra

–Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Substituting and evaluating

–Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Equivalent expressions

–Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Like terms

Introduction to collecting like terms ↗ — Khan Academy video

–Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Adding and subtracting terms

–Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) –Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Multiplying and dividing terms

–Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) –Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Expanding expressions

–Binomial expansions A worksheet of 12 practice questions on binomial expansions including answers (MathsTeachersOnly.com) –Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) –Year 9 Algebra: Harder Expansions – 3-page fill-in worksheet with harder expansion problems involving binomial and trinomial factors. Solutions included

Expanding binomial products

–Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) –Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Expanding perfect squares

–Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising expressions by taking out common factors

–Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) –Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising using the difference of perfect squares

–Factorising using DOPS– see the first 3:48 mins of the 8:19 min Vimeo video “Factorising quadratics” by Bryn Humberstone –Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising by grouping

–Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising quadratic trinomials of the form x2+bx+c

-Factorising using the cross-method-  see “Factorising quadratics” by Bryn Humberstone (after 3:49 min) (Vimeo video 8:19 mins) –Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising quadratic trinomials of the form ax2+bx+c

-see “Factorising quadratics” by Bryn Humberstone (after 3:49 min mark) (Vimeo video 8:19 mins) –Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising quadratic trinomials by completing the square

–Completing the Square-Geometrically– a 4-page worksheet with handwritten solutions providing a geometrical explanation of ‘completing the square’ (MathsTeachersOnly.com) –Factorising quadratics by completing the square -video (9:46min) by Bryn Humberstone –Factorising by Completing the Square (~19 minute video) by Darren Smyth (https://maffsguru.com)

Simplifying algebraic fractions

–Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) -Refer to  Dan Meyer’s blog for a way to introduce simplifying algebraic fractions. –Y10_10A Algebraic Fractions Worksheet– A one-page worksheet of 6 practice questions, including answers, involving adding, subtracting, multiplying and dividing algebraic fractions.(MathsTeachersOnly.com)

Multiplying and dividing algebraic fractions

 –Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Adding and subtracting algebraic fractions

–Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Solving equations with algebraic fractions

–Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Investigations and further practice

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Solving Linear Equations and Inequations

Two-step equations and inequalities

Introduction to two-step equations ↗ — Khan Academy video

Solving two-step inequalities ↗ — Khan Academy video

Linear equations resources which include problems, games and articles found at NRICH. An article on the method of determining the coefficients for complex equations of chemical reactions found at NRICH

Formulas and relationships

Formulas module by AMSI. A list of formulae are also listed at the end of this TIMES module.

Investigations and further practice

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Solving Quadratic Equations and Inequations

-101 uses of a quadratic equation: Part 1 and Part II by Plus Magazine (plus.maths.org)

Solving quadratic equations by factorising

–Year 10 Quadratic Equations – 15-pages fill-in class including hand-written solutions. (MathsTeachersOnly.com)

Solving quadratic equations by completing the square

Year 10 Quadratic Equations – 15-pages fill-in class including hand-written solutions. (MathsTeachersOnly.com) –Solving quadratics by completing the square ~12 min video by Darren Smyth –Completing the Square-Geometrically– a 4-page worksheet with handwritten solutions providing a geometrical explanation of ‘completing the square’.(MathsTeachersOnly.com)

Solving quadratic equations by applying the quadratic formula.

The quadratic formula ↗ — Khan Academy video

–Year 10 Quadratic Equations – 15-pages fill-in class including hand-written solutions.

Solving quadratic inequations

–Year 10 Quadratic Equations – 15-pages fill-in class including hand-written solutions. (MathsTeachersOnly.com) – Solving Quadratic Inequations-video(2:36) by Freda Armstrong from Maths Turning Point
See also ALGEBRAIC EXPRESSIONS tab for expanding and factorising quadratics

Investigations and further practice

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Exponentials and Logarithms

Logarithm laws

Introduction to logarithm laws — part 1 ↗ — Khan Academy video

Introduction to logarithm laws — part 2 ↗ — Khan Academy video

–A summary of Log laws and traps to avoid can be downloaded from Maths Turning Point.

Exponentials and Logarithms

Introduction to logarithms ↗ — Khan Academy video

  • Exponential and logarithms (original resource unavailable) –sample class notes and exercises by David Treeby (https://www.t2maths.com.au)
  • Exponential and logarithms (original resource unavailable) –solutions to sample class notes and exercises by David Treeby (https://www.t2maths.com.au)

Investigations and further practice

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Matrices

Summary Notes on Matrices pdf– A three-page summary covering all the concepts covered in the VCE Further Mathematics Matrices module (MathsTeachersOnly.com) Matrices -20 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com) How to solve matrix equations using on a TI nspire CX CAS calculator (1:10 min video) produced by Carmen Popescu-Rose director and co-author of LegaC. How to do matrix operations using a TI-nspire CX CAS calculator (3:56 min video)  produced by Carmen Popescu-Rose director and co-author of LegaC resources

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Complex Numbers

NCERT exemplar problems: select Class XI Mathematics, then Complex Numbers and Quadratic Equations. Complex numbers and quadratic equations: Chapter 5 solutions (NCERT-National Council of Educational Research and Training) A Visual, Intuitive Guide to Imaginary Numbers: Post by by Kalid Azad Intuitive Arithmetic With Complex Numbers: Post by by Kalid Azad Understanding Why Complex Multiplication Works: Post by by Kalid Azad

Equality and operations on complex numbers

The modulus, conjugate and division of a complex number

Solving quadratic equations over the complex numbers

Investigations and further practice

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Graphs and Networks

Undirected Networks summary –St Leonard’s College Networks and Decision Mathematics summary –Vic Maths Notes Graphs and Networks Chapter by Pearson Global Schools

Graph theory basics

Adjacency matrices

Euler’s formula

Traversable graphs

Minimum spanning trees

The problem in Good Will Hunting (video ~4 mins) -A quick introduction to trees (Numberphile) Trees and spanning trees: one-page summary (Vic Maths Notes) Minimum Connector Problems: one-page summary (Vic Maths Notes)

Dijkstra’s Algorithm for Shortest Path

Investigations and further practice

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Revision and Practice

Choose material to suit your class. UK-based worksheets provide topic practice rather than Victorian examination preparation; answers are linked beside the relevant resource.

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NUMBER AND ALGEBRA

Table of Contents

NUMBER AND ALGEBRA

Resources will be continually added for the topics listed here and can be accessed from the yellow tabs below.

1. Whole Numbers

WHOLE NUMBERS

SKILLS
DESCRIPTION (REFERENCE)
Addition and Subtraction

-Y7 Whole Numbers - 13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

-Whole Number addition and subtraction (~13-minute video) by Darren Smyth (https://maffsguru.com)

Multiplication and Division

-Y7 Whole Numbers - 13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

-Whole number multiplication and division (~17 minute video) by Darren Smyth (https://maffsguru.com)

Rounding

-Y7 Whole Numbers - 13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

-Estimating and Rounding (~14 minute video) by Darren Smyth (https://maffsguru.com)

Order of Operations

-Y7 Whole Numbers - 13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

- Order of Operations (original resource unavailable)(~13 minute video) by Darren Smyth (https://maffsguru.com) (MathsTeachersOnly.com)

 

2. Number properties and patterns

NUMBER PROPERTIES AND PATTERNS

  • Y8 Integers - 21 pages of class notes and handwritten solutions (MathsTeachersOnly.com)
  • Number Properties (16-minute video) by Darren Smyth (https://maffsguru.com).
  • Prime Factorisation Four lessons explore prime factorisation and how it can be used to solve problems related to the properties of numbers shared by reSolve
  • The Fundamental Theorem of Arithmetic -Video(3:52)An introductory video from Khan Academy. Covers primes , composites, prime factorisation and a thorough explanation of the fundamental theorem of arithmetic.

Skills

 DESCRIPTION (Reference)

Factors and Multiples  
Highest (or Greatest) Common Factor (HCF (or GCF)) and Lowest Common Multiple (LCM)
  • HCF &LCM notes and videos (https://www.onlinemathlearning.com)
  • HCF and LCM(~17 minute video) by Darren Smyth (https://maffsguru.com)
  • HCF and LCM methods (https://www.onlinemath4all.com)
Divisibility Tests

Divisibility Rules  summary (https://www.mathsisfun.com)

Divisibility Rules for numbers 2-12, 15, 18, 25 summary ( https://www.onlinemath4all.com/)

Prime decomposition
  • Prime & Composite Numbers Song: - lyrics included by Numberock

  • Prime Numbers (~7 minute video) by Darren Smyth (https://maffsguru.com)
  • Prime Decomposition (10-minute video) by Darren Smyth (https://maffsguru.com)
Squares and Square Roots Squares and square roots (~13 minute video) by Darren Smyth (https://maffsguru.com)
Number Patterns  
Spatial Patterns  
Table Patterns  
3. Integers

INTEGERS

Skills

 DESCRIPTION (Reference)

Addition and subtraction of integers

-Y8 Integers: Adding and Subtracting -Worksheet (MathsTeachersOnly.com)

-Whole number addition and subtraction (~11 minute video) by Darren Smyth (https://maffsguru.com)

Multiplication and Division of Integers Whole number multiplication and division (17 minute video) by Darren Smyth (https://maffsguru.com)
Order of Operations  
Substituting Integers  

 

4. Fractions and Percentages

FRACTIONS AND PERCENTAGES

  • Representing and comparing quantities (original resource unavailable) -activities designed to develop students' understanding of fractions, decimals, percentages and standard form. Teacher resources for these activities are also included. (NRICH Maths).

  • Fractions, decimals and percentages- a playlist of 9 short videos on how to to compare fractions and compare decimals, and to convert between fractions, decimals and percentages by Rex Boggs.
  • A free online interactive percentage game that involves planning a park with a range of different features such as grass, water, woodland, flowers and playgrounds. Students read what percentage of the park each feature should cover and try to make it happen. Then they are asked to achieve the same goal using decimals.
  • Y8 Fractions, Decimals and Percentages -13 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Skills

Description (Reference)

Fractions
Equivalent fractions
Mixed Numbers
  • Mixed numbers (16 minute video) by Darren Smyth (https://maffsguru.com)
Fraction Walls
Ordering fractions  
Operations with fractions
-Adding

Free worksheet “Fraction-Four Rules” -adding subtracting, multiplying and dividing fractions found at Mathster.com. More free worksheets on many other topics can also be found here.

Free worksheet “Fraction-Addition and Subtraction” -adding subtracting fractions found at Mathster.com. More free worksheets on many other topics can also be found here.

-Subtracting Free worksheet “Fraction-Four Rules” -adding subtracting, multiplying and dividing fractions found at Mathster.com. More free worksheets on many other topics can also be found here.
-Multiplying Free worksheet “Fraction-Four Rules” -adding subtracting, multiplying and dividing fractions found at Mathster.com. More free worksheets on many other topics can also be found here.
-Dividing

Division of fractions lesson ( https://www.mathsisfun.com/)

Free worksheet “Fraction-Four Rules” -adding subtracting, multiplying and dividing fractions found at Mathster.com. More free worksheets on many other topics can also be found here.

Percentages Which coupon should I use? Dan Meyer’s Three-Act Maths task
Percentages and unitary methods  
Percentage of a number  
Decreasing and Increasing by a percentage  
Calculating percentage change  
5. Decimals

DECIMALS

SKILLS

DESCRIPTION (REFERENCE)

Operations with decimals Adding and subtracting decimals (~10 minute video) by Darren Smyth (https://maffsguru.com)
Terminating and recurring decimals  
Rounding decimals  
Significant figures  
Scientific notation   
Scientific notation using significant figures  
Converting fractions, decimals percentages  
6. RATIOS AND RATES

RATIOS AND RATES

SKILLS

DESCRIPTION (REFERENCE)

Introducing ratios  
Simplifying ratios  
Dividing quantities in given ratios  
Scale drawings  
Introducing rates  
Ratios and rates and the unitary method  
Speed  
7. FINANCIAL MATHS

FINANCIAL MATHS

Recursion and Financial Maths Review for VCE Further Maths (40 min video)-An overview of the key skills required for Recurrence & Financial Modelling, covering some examples from past VCAA papers.

Recursion and Financial Modelling Summary (pdf) for VCE Further Maths from the Maths dept of St Leonard's College. 

SKILLS

 DESCRIPTION (REFERENCE)

Profits and discounts  
Shares and Dividends  
Income taxation  
Number patterns  
The Fibonacci sequence  
Arithmetic sequences  
Using a recurrence relation to generate an arithmetic sequence and its graph  
Using a recurrence relation to model linear growth: simple interest  
Using a recurrence relation to model linear decay: flat-rate depreciation  
Using a rule to determining the nth term for linear growth or decay  
Geometric sequences  
Using a recurrence relation to generate a geometric sequence and its graph  
Using a recurrence relation to model geometric growth: compund interest investment  
Using a recurrence relation to model geometric decay: reducing balance depreciation  
Using a rule to determining the nth term for geometric growth or decay  
Effective annual interest rate  

 

8. Indices

INDICES

Skills

 DESCRIPTION (Reference)

Index notation  
Index laws  
Negative indices  
Scientific notation What is standard form?  by Pythagoras and That (UK site)
Fractional indices  
9. SURDS

SURDS

SKILLS

 DESCRIPTION (REFERENCE)

Irrational numbers and surds  
Simplifying surds  
Adding and subtracting surds  
Multiplying and dividing surds  
Binomial products  
Rationalising the denominator  
10. Sequences and Series

SEQUENCES AND SERIES

-A great activity for teaching arithmetic sequences- "Expressing Number Patterns" by Bob Lochel found at Desmos.com

-Sequences and Series - A pdf guide for teachers: Principal author: Peter Brown (http://amsi.org.au/ESA_ Senior_Years/seniors_years. html)

 

11. Counting methods

COUNTING METHODS

Skills

 DESCRIPTION (Reference)

Permutations  
Permutations with restrictions  
Permutations with like objects  
Combinations  
Combinations with restrictions  
Pacal's triangle  
The pigeon-hole principle  
The inclusion-exclusion principle  
12. Number and proof

NUMBER AND PROOF

Introduction to two-column algebra and geometry proofs  free downloads (Introducing Two-Column Geometry Proofs: A Different Approach -post by mathgiraffe.com)

Skills

DESCRIPTION (Reference)

Direct proof Two pages of notes including examples and exercises contributed to the Mathcentre Community Project by Katy Dobson, University of Leeds (http://www.mathcentre.ac.uk/students/topics/proofs/direct/)
Proof by induction 

Two pages of notes including examples and exercises contributed to the Mathcentre Community Project by Katy Dobson, University of Leeds (http://www.mathcentre.ac.uk/students/topics/proofs/proof-by-induction/)

Two pages of further examples contributed to the Mathcentre Community Project by Katy Dobson, University of Leeds (http://www.mathcentre.ac.uk/students/topics/proofs/proof-by-induction/)

Proof by contrapositive  
Proof by contradiction  
Equivalent statements  
Disproving statements  

 

13. Algebraic expressions

ALGEBRAIC EXPRESSIONS

-Y9 Algebra 24- pages of fill-in class notes with handwritten solutions (MathsTeachersOnly.com)

-Y10 Quadratic Equations -15 pages of fill-in class notes with handwritten solutions (MathsTeachersOnly.com)

-Y10_10A Quadratics: One-page summary for factorising quadratic expressions and solving quadratic equations (MathsTeachersOnly.com)

-A hands-on activity on how to teach collecting like terms using reversible (white/red) unit squares and strips-Ppt (13 slides)

-Quadratic Factorisation and Expansion worksheet -18 practice questions (MathsTeachersOnly.com)

SKILLS

DESCRIPTION (REFERENCE)

The language of algebra -Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)
Substituting and evaluating -Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)
Equivalent expressions -Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)
Like terms -Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)
Adding and subtracting terms

-Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

-Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Multiplying and dividing terms

-Y7 Algebra-6 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

-Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Expanding expressions

-Binomial expansions A worksheet of 12 practice questions on binomial expansions including answers (MathsTeachersOnly.com)

-Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

-Year 9 Algebra: Harder Expansions - 3-page fill-in worksheet with harder expansion problems involving binomial and trinomial factors. Solutions included

Expanding binomial products

-Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

-Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Expanding perfect squares -Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)
Factorising expressions by taking out common factors

-Y8 Algebra-14 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

-Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising using the difference of perfect squares

-Factorising using DOPS- see the first 3:48 mins of the 8:19 min Vimeo video “Factorising quadratics” by Bryn Humberstone

-Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising by grouping -Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)
Factorising quadratic trinomials of the form x2+bx+c

-Factorising using the cross-method-  see “Factorising quadratics” by Bryn Humberstone (after 3:49 min) (Vimeo video 8:19 mins)

-Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising quadratic trinomials of the form ax2+bx+c

-see “Factorising quadratics” by Bryn Humberstone (after 3:49 min mark) (Vimeo video 8:19 mins)

-Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

Factorising quadratic trinomials by completing the square

-Completing the Square-Geometrically- a 4-page worksheet with handwritten solutions providing a geometrical explanation of 'completing the square' (MathsTeachersOnly.com)

-Factorising quadratics by completing the square -video (9:46min) by Bryn Humberstone

-Factorising by Completing the Square (~19 minute video) by Darren Smyth (https://maffsguru.com)

Simplifying algebraic fractions

-Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

-Refer to  Dan Meyer's blog for a way to introduce simplifying algebraic fractions.

-Y10_10A Algebraic Fractions Worksheet- A one-page worksheet of 6 practice questions, including answers, involving adding, subtracting, multiplying and dividing algebraic fractions.(MathsTeachersOnly.com)

Multiplying and dividing algebraic fractions  -Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)
Adding and subtracting algebraic fractions -Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)
Solving equations with algebraic fractions -Y9 Algebra-24 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

 

14. Polynomials

POLYNOMIALS

SKILLS

DESCRIPTION (REFERENCE)

Adding, subtracting and multiplying polynomials  
Division of polynomials  
The remainder theorem  
The factor theorem  
The rational-root theorem  
Solving cubic polynomial equations  
Solving cubic polynomial equations and inequalities  
15. Solving linear equations and inequations

SOLVING LINEAR EQUATIONS AND INEQUATIONS

Linear equations resources which include problems, games and articles found at NRICH.

An article on the method of determining the coefficients for complex equations of chemical reactions found at NRICH

Skills

Reference

Introduction to equations  
Solving linear equations by inspection  
Equivalent equations  
Solving linear equations algebraically  
Equations with algebraic fractions  
Equations with pronumerals on both sides of an equation  
Equations with brackets  
Formulas and relationships Formulas module by AMSI. A list of formulae are also listed at the end of this TIMES module. 
Solving inequations  
Solving simultaneous equations algebraically using substitution  
Solving simultaneous equations algebraically using elimination  
16. Solving quadratic equations and inequations

SOLVING QUADRATIC EQUATIONS

-101 uses of a quadratic equation: Part 1 and Part II by Plus Magazine (plus.maths.org)

Skills

Description (Reference)

Solving quadratic equations by factorising

-Year 10 Quadratic Equations - 15-pages fill-in class including hand-written solutions. (MathsTeachersOnly.com)

Solving quadratic equations by completing the square 

Year 10 Quadratic Equations - 15-pages fill-in class including hand-written solutions. (MathsTeachersOnly.com)

-Solving quadratics by completing the square ~12 min video by Darren Smyth

-Completing the Square-Geometrically- a 4-page worksheet with handwritten solutions providing a geometrical explanation of 'completing the square'.(MathsTeachersOnly.com)

Solving quadratic equations by applying the quadratic formula.

-Year 10 Quadratic Equations - 15-pages fill-in class including hand-written solutions.

Solving quadratic inequations

-Year 10 Quadratic Equations - 15-pages fill-in class including hand-written solutions. (MathsTeachersOnly.com)

- Solving Quadratic Inequations-video(2:36) by Freda Armstrong from Maths Turning Point

See also ALGEBRAIC EXPRESSIONS tab for expanding and factorising quadratics

17. Exponentials and logarithms

EXPONENTIALS AND LOGARITHMS

SKILLS

REFERENCE

Exponential growth and decay  
Solving simple exponential equations  
Logarithms and order of magnitude  
Logarithmic scales  
Logarithm laws -A summary of Log laws and traps to avoid can be downloaded from Maths Turning Point.
Solving exponential equations using logarithms  
Exponentials and Logarithms
  • Exponential and logarithms (original resource unavailable) -sample class notes and exercises by David Treeby (https://www.t2maths.com.au)
  • Exponential and logarithms (original resource unavailable) -solutions to sample class notes and exercises by David Treeby (https://www.t2maths.com.au)

 

18. MATRICES

MATRICES

Summary Notes on Matrices pdf- A three-page summary covering all the concepts covered in the VCE Further Mathematics Matrices module (MathsTeachersOnly.com)

Matrices -20 pages of fill-in class notes and handwritten solutions (MathsTeachersOnly.com)

How to solve matrix equations using on a TI nspire CX CAS calculator (1:10 min video) produced by Carmen Popescu-Rose director and co-author of LegaC.

How to do matrix operations using a TI-nspire CX CAS calculator (3:56 min video)  produced by Carmen Popescu-Rose director and co-author of LegaC resources

19. Complex numbers

COMPLEX NUMBERS

Complex numbers and quadratic equations: Chapter 5 notes and exercises (NCERT-National Council of Educational Research and Training)

Complex numbers and quadratic equations: Chapter 5 solutions (NCERT-National Council of Educational Research and Training)

A Visual, Intuitive Guide to Imaginary Numbers: Post by by Kalid Azad

Intuitive Arithmetic With Complex Numbers: Post by by Kalid Azad

Understanding Why Complex Multiplication Works: Post by by Kalid Azad

Skills

Description (Reference)

Equality and operations on complex numbers

Complex Numbers: One-page summary (Maths Vic Notes)

Arithmetic of Complex Numbers: Two-page summary (Maths Vic Notes)

The modulus, conjugate and division of a complex number

Complex Numbers: One-page summary (Maths Vic Notes)

Arithmetic of Complex Numbers: Two-page summary (Maths Vic Notes)

Argand diagrams and geometric representations of the basic operations on complex numbers  
Geometric significance of multiplication by i  
Polar form - the modulus–argument form of a complex number  
Complex conjugate form to polar form  
 Basic operations on complex numbers in polar form  
Solving quadratic equations over the complex numbers Quadratics Funtions over C: One-page summary (Maths Vic Notes)
Solving polynomial equations over the complex numbers  
Using De Moivre's theorem to solve equations  
Sketching subsets of the complex plane  

 

20. Graphs and Networks

GRAPHS AND NETWORKS

Undirected Networks summary -St Leonard's College

Networks and Decision Mathematics summary -Vic Maths Notes

Graphs and Networks Chapter by Pearson Global Schools

Skills

Description (Reference)

Graph theory basics Graphs and Networks: two-page summary (Vic Maths Notes)
Isomorphic graphs  
Connected graphs and bridges  
Adjacency matrices Matrix representation: one-page summary  (Vic Maths Notes)
Planar graphs  
Faces of a graph  
Euler's formula Euler's Formula for Planar Graphs: one-page summary (Vic Maths Notes)
Walks, trails and paths  
Circuits and cycles  
Traversable graphs Traversable Graphs: one-page summary (Vic Maths Notes)
Eulerian trails and circuits  
Hamilton paths and cycles  
Weighted graphs and networks  
The shortest path  
Minimum spanning trees

The problem in Good Will Hunting (video ~4 mins) -A quick introduction to trees (Numberphile)

Trees and spanning trees: one-page summary (Vic Maths Notes)

Minimum Connector Problems: one-page summary (Vic Maths Notes)

Dijkstra's Algorithm for Shortest Path Shortest Path Problems: one-page summary (Vic Maths Notes)