Add and subtract together

★★★Not the suggested order

If 14 + 3 = 17 then 17 − 3 = 14 and 17 − 14 = 3.

Addition Village · Learn first

Example

Use the first line to fill in the box.

10 + 8 = 18

18 − 10 =

Answer: 8

Steps in this unit · Adding and subtracting

1 2 3 4

← Match the picture True or false? →

Adding and subtracting · Numbers & Operations

Choose the equation that matches a picture and see how adding and subtracting connect.

If 14 + 3 = 17 then 17 − 3 = 14 and 17 − 14 = 3.

This is step 2 of unit 29, “Adding and subtracting”, in Stage 1: Numbers to 20, adding and subtracting (ages 6–7). A round has 8 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.