7 Maths Unit 1.1 Number and Arithmetic
The following lessons are relevant to this unit, but not all are taught in full each year. Lessons marked with an e after their number are considered extension material for that year level's assessments.
Lessons
Arithmetic
- 001. Historical Number Systems
- 002. Place Value and Comparing Numbers
- 003. Mental Strategies and Laws for Addition and Subtraction
- 004. Written Algorithms for Addition and Subtraction
- 005. Multiplication Laws and Algorithms
- 006. Multiplying by Powers of Ten and Algorithms
- 007. Division with Remainders and Short Division
- 008. Rounding and Estimation Strategies
- 009. Order of Operations in Arithmetic
Number Properties
- 010r. Factors and Multiples
- 011. Highest Common Factor (HCF) and Lowest Common Multiple (LCM)
- 012e. Divisibility Rules and Division Vocabulary
- 013. Prime Numbers and Prime Factorisation
- 014. Powers and Index Notation
- 015. Prime Factorisation Using Factor Trees
- 016. Squares, Roots and Perfect Squares
Fractions
- 021. Representing Fractions
- 022. Equivalent Fractions and Simplifying them
- 023. Improper Fractions and Mixed Numerals
- 024. Ordering Fractions
- 025. Adding Fractions and Mixed Numerals
- 026. Subtracting Fractions and Mixed Numerals
- 027. Multiplying Fractions, Mixed Numerals and Whole Numbers
- 028. Dividing Fractions Using Reciprocals
Percentages
Ratio and Proportion
Algebra
- 033. Algebra Terminology and Expressions
- 034. Substituting into Algebraic Expressions
- 035. Equivalent Expressions and Algebraic Generalisation
- 036. Like Terms and Simplifying Expressions
- 037. Multiplication and Division in Algebraic Expressions
- 038e. Expanding Brackets
- 039. Algebraic Modelling with Expressions