Step 1 / 3
How many more to make 10?
★★★Think of the pair that makes 10. The partner of 7 is 3.
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Example
5 + □ = 10. What is the missing number?
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Answer: 5
Make 10 · Numbers & Operations
Join two numbers to make 10, and write the addition sentence.
Think of the pair that makes 10. The partner of 7 is 3.
This is step 1 of unit 37, “Make 10”, in Stage 2: Numbers to 100, carrying and borrowing (ages 7–8). A round has 10 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.