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Find the pair that makes 10
★★★Look for two of the numbers that make 10.
Cloud Bridge · Learn first
Example
Which two numbers add up to 10?
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Answer: 1 and 9
Add three numbers · Numbers & Operations
Find two numbers that make 10 first, and adding three numbers gets easier.
Look for two of the numbers that make 10.
This is step 1 of unit 39, “Add three numbers”, 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.