Year 9 Number
Number, an introduction
Addition:
Commutative Law
Adding Whole Numbers:
Counting On
Subtracting Whole Numbers:
Algorithm
Subtracting Whole Numbers:
Open Number Line
Multiplying by 10, 100, 1000, etc
Multiplication:
Distributive Law
Long Division:
Algorithm
Round to the nearest 10, 100, etc
Factors
Prime Factors
Adding Integers
Dividing Integers
Decimals on a Number Line
Decimals:
Multiplication
Decimals:
Dividing by 10, 100, etc
Estimation
Cube Root
Equivalent Fractions
Adding/Subtracting Fractions, like denominators
Reciprocals
Improper Fractions to Mixed Numbers
Order of Operations #1
Fractions and Decimals #2
Fractions and Percentages
Place Value #1:
Whole Numbers
Addition:
Associate Law
Adding Whole Numbers:
Open Number Line
Subtracting Whole Numbers:
Counting Back
Multiplication:
Algorithm
Multiplication:
Commutative Law
Multiplication:
Half and Double
Dividing by 10, 100, 1000, etc
Multiples
Highest Common Factor
Integers, an introduction
Subtracting Integers
Place Value #2:
Decimals
Comparing Decimals
Decimals:
Multiplying by 10, 100, etc
Recurring Decimals
Powers
Fractions, an introduction
Comparing Fractions
Adding/Subtracting Fractions, unlike denominators
Dividing Fractions
Mixed Numbers to Improper Fractions
Order of Operations #2
Percentages, an introduction
Fractions, Decimals and Percentages
Expanded Form #1:
Whole Numbers
Adding Whole Numbers:
Algorithm Method
Adding Whole Numbers:
Place Value
Subtracting Whole Numbers:
Counting Forward
Multiplication:
Lattice
Multiplication:
Decomposing
Short Division:
Algorithm
Rules of Divisibility
Lowest Common Multiple
Prime and Composite Numbers
Comparing Integers
Multiplying Integers
Expanded Form #2:
Decimals
Decimals:
Addition and Subtraction
Decimals:
Division
Rounding Decimals
Square Root
Fractions on a Number Line
Simplifying Fractions
Multiplying Fractions
Fractions of a Quantity
Mixed Number Arithmetic
Fractions and Decimals #1
Decimals and Percentages
Percentage of a Quantity
Percentage Increase/Decrease