Add three numbers

Find two numbers that make 10 first, and adding three numbers gets easier.

★ 0 / 6 · 0/2 steps done

▶ Start · Step 1

Find the pair that makes 10

Look for two of the numbers that make 10.

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Make 10 first

· Not the suggested order

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← 38. Take away from 10 40. Make 10 to add →

About Add three numbers practice

“Add three numbers” is unit 39 of Stage 2, for ages 7–8, in numbers & operations. Find two numbers that make 10 first, and adding three numbers gets easier.

Its steps are: Find the pair that makes 10, Make 10 first. Each step has 10 problems and is free with no sign-up. 90% or better earns three stars.