Addition and Subtraction

Number facts involving adding 1

Number facts involving adding 2

Adding 3

Adding 4

Adding 5

Adding 6

Adding 7

Adding 8

Adding 9

Addition facts to 20

Addition facts to 20

Adding 10

Subtracting 1

Subtracting 2

Subtraction facts to 20

Addition and Subtraction facts recall

Addition and subtraction practice, 1- and 2-digit numbers.

Addition and subtraction strategies

Addition using an addition chart. Discuss patterns. Doubles. Related addition and subtraction facts. Fill in missing parts of addition number sentences.

Extension page. Practise using patterns, the split strategy or bridging to tens strategies for addition and subtraction

Addition and subtraction practice using the jump strategy - number lines.

Problem solving and addition of 2 digit numbers using Base 10 blocks.

Problem solving with money and addition of 1 and 2 digit numbers, using Base 10 blocks.

Problem solving and addition of 1- and 2-digit numbers, using Base 10 blocks.

Addition of 2- and 3-digit decimal numbers, in algorithm form.

Test of Addition and Subtraction

Addition strategies

Subtraction of 2-digit numbers using Base 10 blocks, problem solving

Subtraction of 2 digit numbers and money, in the algorithm form, problem solving.

Extension page. Practise using patterns, the split strategy or bridging to tens strategies for addition and subtraction

Addition and subtraction of 2-digit numbers using the jump strategy - number lines

Subtraction of 2-digit numbers and money, in the algorithm form, problem solving.

Addition and subtraction of 1- and 2-digit numbers using the algorithm

Use Base 10 materials to trade and complete the addition algorithms and problems.

Use Base 10 materials to trade and complete the addition algorithms

Use Base 10 materials to trade and complete the addition algorithms

Use Base 10 materials to trade and complete the addition algorithms and problems.

Use Base 10 materials to trade and complete the addition algorithms

Test of Addition and Subtraction

Addition with money, value of coins, change, round off.

Count on to calculate change.

Subtraction with trading, using Base 10 blocks, problem solving

Subtraction with trading, using Base 10 blocks

Complete subtraction algorithms by trading.

Complete subtraction algorithms and problems by trading.

Subtraction with trading

Complete 2-digit addition algorithms with trading, problem solving

Test of Addition and Subtraction

Complete 2-digit subtraction algorithms and problems that require trading.

Extension page. Complete addition and subtraction algorithms and problems that require trading. Estimate differences.

Estimation with addition, reasonableness, calculator

Estimation with subtraction, rounding

Addition and subtraction of decimals/ money. Practise keeping points under points. Find change.

Timeline of ages, finding difference, adding ages. Estimating.

Extension page. Use given numbers only once to make algorithms with the smallest or largest possible total.

Test of Addition and Subtraction

Addition of 2-digit numbers using place value. Addition using place value blocks.

Addition of 3-digit numbers using place value. Numeral expanders. Tens and ones.

Subtraction using place value. Changing 3-digit numbers to tens and ones. Tens and ones.

Subtraction using place value. Rounding to the nearest 100. Estimating. Hundreds, tens and ones.

Contents

The answers to Number and Algebra of the Year 3 Maths Builder text (3:NA01 - 3:NA25C)

The answers to Number and Algebra of the Year 3 Maths Builder text (3:NA26 - 3:NA45C)

The answers to Number and Algebra of the Year 3 Maths Builder text (3:NA46 - 3:NA79)

Addition and Subtraction facts recall

Addition and subtraction practice, 1- and 2-digit numbers.

Addition and subtraction strategies

Extension page. Practise using patterns, the split strategy or bridging to tens strategies for addition and subtraction

Addition and subtraction practice using the jump strategy - number lines.

Problem solving and addition of 2 digit numbers using place value blocks.

Problem solving with money and addition of 1 and 2 digit numbers, using place value blocks.

Problem solving and addition of 1- and 2-digit numbers, using Base 10 blocks.

Problem solving with money and addition of 1 and 2 digit numbers, using Base 10 blocks.

Addition of 2- and 3-digit decimal numbers, in algorithm form.

Addition strategies

Subtraction of 2-digit numbers using Base 10 blocks, problem solving

Addition and subtraction of 2-digit numbers using the jump strategy - number lines

Subtraction of 2 digit numbers and money, in the algorithm form, problem solving.

Extension page. Practise using patterns, the split strategy or bridging to tens strategies for addition and subtraction

Subtraction of 2-digit numbers and money, in the algorithm form, problem solving.

Addition and subtraction of 1- and 2-digit numbers using the algorithm

Use Base 10 materials to trade and complete the addition algorithms and problems.

Use Base 10 materials to trade and complete the addition algorithms

Use Base 10 materials to trade and complete the addition algorithms

Use Base 10 materials to trade and complete the addition algorithms

Use Base 10 materials to trade and complete the addition algorithms and problems.

Use Base 10 materials to trade and complete the addition algorithms

Addition with money, value of coins, change, round off.

Count on to calculate change.

Representing money values

Subtraction with trading, using Base 10 blocks, problem solving

Subtraction with trading, using Base 10 blocks

Subtraction with trading, using Base 10 blocks, problem solving

Subtraction with trading

Complete subtraction algorithms and problems by trading.

Complete 2-digit addition algorithms with trading, problem solving

Extension page. Complete addition and subtraction algorithms and problems that require trading. Estimate differences.

Complete 2-digit subtraction algorithms and problems that require trading.

Estimation with addition, reasonableness, calculator

Estimation with subtraction, rounding

Completing number sentences using inverse operations.

Timeline of ages, finding difference, adding ages. Estimating.

Extension page. Use given numbers only once to make algorithms with the smallest or largest possible total.

Addition strategy: using partitioning of numbers.

Practise addition strategies- Bridging decades, changing order of addends, compensation strategy