Learn how to add two one-digit numbers together.

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

Learn about the number bonds to 10 and 20.

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

Discover how to subtract within 20.

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

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

Learn how to add three one-digit numbers.