England · Year 2 · Ages 6–7 · Worked examples

Year 2 Add and Subtract to 100: Worked Examples

See free Year 2 add and subtract to 100 worked examples with clear strategies and answers, aligned to the England primary curriculum.

Model the thinking

Four worked examples

Try each question first, then compare the strategy and answer. The aim is to understand the method, not just copy the final result.

1
Add ones

34 + 5 = __.

How to think about it: Decide which operation the question needs, keep tens/ones or larger place values aligned, and calculate in manageable steps. Check with the inverse operation where possible.

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Answer: 39

2
Add tens

46 + 20 = __.

How to think about it: Decide which operation the question needs, keep tens/ones or larger place values aligned, and calculate in manageable steps. Check with the inverse operation where possible.

Show answer

Answer: 66

3
Subtract

72 - 18 = __.

How to think about it: Decide which operation the question needs, keep tens/ones or larger place values aligned, and calculate in manageable steps. Check with the inverse operation where possible.

Show answer

Answer: 54

4
Three numbers

7 + 8 + 5 = __.

How to think about it: Decide which operation the question needs, keep tens/ones or larger place values aligned, and calculate in manageable steps. Check with the inverse operation where possible.

Show answer

Answer: 20

Next step

Turn the explanation into practice

Use the printable for independent work, or return to the topic overview to choose another way to practise.

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