Step 2 / 2

Make 10 first

★★★Not the suggested order

Steps in this unit · Add three numbers

← Find the pair that makes 10 How many to make 10? →

Add three numbers · Numbers & Operations

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

This is step 2 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.