Adding and subtracting

Learn about number bonds to 100 using tens and ones.

Learn how to add two-digit numbers.

Explore examples and a video to show how to add up to 3-digits and 1-digit numbers.

Learn how to add 3-digit and 2-digit numbers using the column method.

Find out how number columns allow you to take large numbers and subtract one from another.

Learn some different methods for subtracting a one-digit number from a three-digit number.

Explore how to use mental methods for addition and subtraction.

Learn about efficient addition and subtraction methods.

Learn how to add numbers with up to 4 digits together.

Learn how to subtract up to 4-digit numbers.

Discover how to add more than 4-digits together.

Learn about the column method and use it to subtract numbers with 4 or more digits.

Learn how to count in 25s.

Learn how to recognise and work with tenths, hundredths and thousandths.