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Year 2 addition worksheets

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Year 2 · Addition

Adding within 100

1)17 + 69 =
2)50 + 22 =
3)29 + 50 =
4)74 + 21 =
5)12 + 84 =
6)20 + 68 =
7)60 + 29 =
8)10 + 90 =
9)32 + 10 =
10)64 + 36 =
11)22 + 72 =
12)29 + 25 =
13)27 + 54 =
14)74 + 22 =
15)56 + 31 =
16)63 + 24 =
17)13 + 85 =
18)48 + 36 =
19)19 + 30 =
20)20 + 35 =
ticked. · free UK primary worksheetsSheet #00137

Answer key

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Year 2 · Addition · Adding within 100

1)17 + 69 = 86
2)50 + 22 = 72
3)29 + 50 = 79
4)74 + 21 = 95
5)12 + 84 = 96
6)20 + 68 = 88
7)60 + 29 = 89
8)10 + 90 = 100
9)32 + 10 = 42
10)64 + 36 = 100
11)22 + 72 = 94
12)29 + 25 = 54
13)27 + 54 = 81
14)74 + 22 = 96
15)56 + 31 = 87
16)63 + 24 = 87
17)13 + 85 = 98
18)48 + 36 = 84
19)19 + 30 = 49
20)20 + 35 = 55
ticked. · answersSheet #00137

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What Year 2 addition covers

Year 2 adds within 100, and this sheet drills the hardest case the statement names: two two-digit numbers, like 17 + 69 or 64 + 36. Every total is 100 or less — the cap is on the answer, not just on the two numbers, which is what keeps the sheet inside Year 2 rather than drifting into Year 3. Both numbers stay two-digit throughout. Year 2 does this work mentally, adding tens then ones or bridging through the next ten; the written column method arrives in Year 3. Every sheet is A4, print-ready, and comes with an answer key.

Answers included — a separate marking page with every sheet.

Questions parents ask

What addition does Year 2 cover?

Adding within 100, and the statement is specific about the shapes it wants: a two-digit number and ones, a two-digit number and tens, two two-digit numbers, and three one-digit numbers added together. These sheets drill the hardest of those — two two-digit numbers — because it is the one that forces a child to hold a partial total in their head while dealing with the next part.

Why do the totals stop at 100 when the numbers go up to 90?

Because the curriculum bounds the answer, not the starting numbers. Year 2 works within 100, so 74 + 63 is a Year 3 question no matter how ordinary the two numbers look. This generator caps the total instead of only capping the addends, which means 64 + 36 = 100 is the largest sum on the sheet and nothing goes past it. Both numbers always stay two-digit, so the sheet keeps posing the statement it names rather than sliding into easier "two-digit and ones" work.

Should my child be setting these out in columns?

Not in Year 2. The statutory statement says children add "using concrete objects, pictorial representations, and mentally" — the formal written column method is a Year 3 statement, and teaching it early tends to replace understanding with a procedure. What Year 2 wants is flexible mental strategies: adding the tens then the ones, bridging through the next ten, or using a known bond. If your child is reaching for columns on 17 + 69, ask how they would do it in their head first.

Are the answers included?

Yes. Keep 'Answers' ticked and a separate answer-key page is made with every sheet, so marking takes seconds. Every total is computed exactly and checked.

Do I need to sign up?

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