Step 2 / 5

Split the second number

★★★Not the suggested order

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

Cloud Bridge · Learn first

Example

Split 7 into 2 and what?

Answer: 5

Steps in this unit · Make 10 to add

1 2 3 4 5

← How many to make 10?Make 10 and finish →

Make 10 to add · Numbers & Operations

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

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

This is step 2 of unit 40, “Make 10 to add”, 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.