Number bonds

A number bond is a pair of numbers that you can add together to make another number. Children usually begin to add two numbers by counting on, but it is important that they learn the number bonds to 10, off by heart. These are: 0 + 10 1 + 9...

Doubling

Being able to double small numbers is a powerful aid to calculating mentally. This tutorial helps children to remember doubles up to 10. Play Now

Adding using signs

This tutorial explains that the addition symbol (+) can be used to represent combining two numbers. At first this will be used to make a number sentence such as 4 + 3 = 7. Later the order may be changed, such as 7 = 4 + 3. A small step...

Find the difference

The term, ‘find the difference’ is introduced in Year 1 as a form of subtraction. This is all about comparing two amounts and children can use their skills of adding or subtracting to find the difference between two numbers. Our tutorial explains what ‘find the difference’ means and shows simple...

Subtraction on a number line

Number lines are now used extensively in primary schools as they are a great visual way to show what is happening when we add or subtract. Here we show how a number line can be really useful when beginning to subtract small numbers. Play Now

Arrays

Another term that children come across in Year 1 is ‘array’. Arrays are used extensively in primary schools, especially when introducing multiplication. This tutorial describes what an array is and is an excellent complement to our written resources on multiplication. Play Now