Adding and subtracting
What is addition?
Learn how to add two one-digit numbers together.

Fact families
Learn how you can use the same numbers to create different maths facts.

What are number bonds?
Learn about the number bonds to 10 and 20.

Add by making 10
Learn about bridging through ten, which can be a useful strategy when solving addition problems.

Subtraction to 20
Discover how to subtract within 20.

Adding two-digit numbers
Learn how to add a two-digit number to another.

Subtracting two-digit numbers
Learn how to subtract a two-digit number from another.

Adding three one-digit numbers together
Learn how to add three one-digit numbers.
