### Comparing sets using 'more' or 'fewer'

In this lesson, we will use the vocabulary 'more' and 'fewer' to describe sets of objects or numbers

Skip navigation# Unit Overview: Addition and subtraction within 20 (comparison)

## Lessons:

### Comparing sets using 'more' or 'fewer'

### Comparing two sets by finding the difference

### Exploring numbers with a difference of one or two on a number line

### Comparing numbers

### Applying 'make ten' to differences (Part 1)

### Applying 'make ten' to differences (Part 2)

### Writing equations to show comparison (Part 1)

### Writing equations to show comparison (Part 2)

### Solving comparison problems (Part 1)

### Solving comparison problems (Part 2)

10 lessons

In this lesson, we will use the vocabulary 'more' and 'fewer' to describe sets of objects or numbers

In this lesson, we will compare two sets of objects and find out the difference between them.

In this lesson, we will compare two sets of objects and find out the difference between them using a number line.

In this lesson, we will compare number use mathematical language

In this lesson, we will use the 'make ten' strategy to find the differences between numbers

In this lesson, we will continue using the 'make ten' strategy to find the differences between numbers

In this lesson, we will write equations to show the difference between numbers and objects

In this lesson, we will write equations to show the difference between numbers and objects

In this lesson, we will use the strategies learnt throughout this unit to solve problems.

In this lesson, we will use the strategies learnt throughout this unit to solve problems.

Units in Maths

- Numbers to 10
- Addition and subtraction within 10
- Shape and patterns
- Numbers to 20
- Addition and subtraction within 20
- Time
- Exploring calculation strategies within 20
- Numbers to 50
- Addition and subtraction within 20 (comparison)
- Fractions
- Measures (1): Length and mass
- Numbers 50 to 100 and beyond
- Addition and subtraction (applying strategies)
- Money
- Multiplication and division
- Measures (2): Capacity and volume
- Addition and Subtraction
- Multiplication and money
- Numbers within 100
- Addition and subtraction of 2-digit numbers
- Addition and subtraction word problems
- Measures: Length
- Graphs
- Multiplication and division: 2, 5 and 10
- Time
- Fractions
- Addition and subtraction of 2-digit numbers (regrouping and adjusting)
- Money
- Faces, shapes and patterns; lines and turns
- Numbers within 1000
- Measures: Capacity and volume
- Measures: Mass
- Exploring calculation strategies
- Multiplication and division: 3 and 4
- Multiplication: equal and unequal groups
- The two times table

- Doubling and halving
- Addition and subtraction within 10
- Exploring calculation strategies within 20
- Money
- Measures
- 2-D shape, perimeter and area
- Numbers to 50
- Manipulating and calculating with fractions
- Fractions
- Fractions and decimals
- Conceptualising and comparing fractions
- Numbers 50 to 100 and beyond
- Reasoning with large whole numbers
- Converting units of measure
- Numbers to 10
- Solving measure and money problems
- Addition and subtraction within 20
- Addition and subtraction (applying strategies)
- Numbers within 1000
- Place value
- Problem solving with integer addition and subtraction
- Volume
- Positive and negative numbers
- Numbers within 10
- Numbers within 15
- Addition and subtraction within 20
- Measures (1): Length and mass
- Measures (2): Capacity and volume
- Addition and subtraction of 2-digit numbers
- Fractions
- Multiplication and division
- Multiplication and division
- Axioms and arrays
- Prime factor decomposition
- Indices and standard form
- Time
- Addition and subtraction of 2-digit numbers (regrouping and adjusting)
- Area and perimeter
- Numbers and numerals
- Percentages
- Fractions
- Measures: Length
- Numbers beyond 20
- Time
- Securing multiplication facts
- Addition and subtraction within 10
- Measures: Mass
- Number sense and exploring calculation strategies
- Addition and subtraction
- Securing multiplication and division
- Position and Direction
- Pattern and Early Number
- Addition and subtraction word problems
- Fractions
- Decimals
- Multiplication and division: 3 and 4
- Multiplication and division: 2, 5 and 10
- Measures: Capacity and volume
- Addition and subtraction
- Extending calculation strategies and additive reasoning
- Deriving multiplication and division facts
- Calculating with whole numbers and decimals
- Integers & Decimals
- Multiplication and division
- Grouping and Sharing
- Surds and trigonometry
- Numbers within 6
- Numbers within 100
- Exploring calculation strategies
- Time
- Exploring calculation strategies and place value
- Multiplication and division
- Factors and multiples
- Graphs
- Graphs
- Reasoning with 4-digit numbers
- Reasoning with patterns and sequences
- Calculation problems
- Numbers within 20
- Money
- Multiplication and division
- Fractions, decimals and percentages
- Decimals and measures
- Early Mathematical Experiences
- Order of operations
- Depth of numbers within 20
- Numbers to 20
- Addition and subtraction within 20 (comparison)
- Addition and subtraction within 6
- Accuracy and estimation
- Money
- Length and perimeter
- Fractions
- Fractions
- Problem solving with whole numbers and decimals