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Learn›Stage 2›40. Make 10 to add
Stage 2 · Unit 40 / 44 · Numbers & Operations
Make 10 to add picture

Make 10 to add

For sums over 10 like 9 + 3, split one number to make 10 first. This is the idea behind carrying.

★ 0 / 15 · 0/5 steps done

▶ Start · Step 1
2

Split the second number

For 9 + 3, split 3 into 1 and 2: 9 + 1 + 2.

· Not the suggested order
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Make 10 and finish

· Not the suggested order
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Split the first number

For 5 + 8, split 5 into 3 and 2: 3 + 2 + 8.

· Not the suggested order
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Finish by splitting the first number

· Not the suggested order
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← 39. Add three numbers41. Add within 20 →

About Make 10 to add practice

“Make 10 to add” is unit 40 of Stage 2, for ages 7–8, in numbers & operations. For sums over 10 like 9 + 3, split one number to make 10 first. This is the idea behind carrying.

Its steps are: How many to make 10?, Split the second number, Make 10 and finish, Split the first number, Finish by splitting the first number. Each step has 10 problems and is free with no sign-up. 90% or better earns three stars.