Block 1: Addition and Subtraction

Today we are going to look at doubles. Further doubling activities can be found in our Multiplication category.

Today we are going to add by counting on.

Adding two single digits with totals above 10 with images to help.

Adding two single digits with totals above 10 with bar models to help.

Adding two single digits with totals above 10 with a number line to help.

Adding two single digits with totals above 10 with no additional help.

Add a single digit to 10 with images to help.

Add a single digit to 10 with a bar model to help.

Add a single digit to 10 with a number line to help.

Add a single digit to 10 with no additional help.

Add a single number to a teen with answers up to 20, with the help of a number line.

Add a single number to a teen with answers up to 20 with no help.

Add a single number to a teen with answers above 20, with the help of a number line.

Add a single number to a teen with answers above 20 with no help.

Today we are going to see how counting back can be quite a quick way to subtract.

Recognising ‘subtract’ and ‘subtract from’ with small numbers, with images to help.

Recognising ‘subtract’ and ‘subtract from’ with small numbers, with a bar model to help.

Recognising ‘subtract’ and ‘subtract from’ with small numbers, with a number line to help.

Recognising ‘subtract’ and ‘subtract from’ with small numbers, with no help.

Subtract from 20 with base 10 blocks to help.

Subtract from 20 with bar models to help.

Subtract from 20 with a number line to help.

Subtract from a 2-digit number not crossing tens with no extra help.

Subtract from a 2-digit number not crossing tens with pictures to help.

Subtract from a 2-digit number not crossing tens with a number line to help.

Subtract from a 2-digit number not crossing tens with bar models to help.

Subtract a single digit from 20, with no additional help.

Subtract from a 2-digit number crossing the tens with images to help.

Subtract from a 2-digit number crossing the tens with a number line to help.

Subtract from a 2-digit number crossing the tens with bar models to help.

Subtract a single digit from a 2-digit number up to 20.

Using bar modelling to help with number bonds to 20.

Join pairs of cards that make 20.

Number bonds to 20.

Finding double various shapes and images.

Work through sets of questions which require thinking about and using key concepts involving addition.

Adding three numbers to make the total of 20.

Tips on how to add 9 easily, 'in your head'.

Try filling in these addition grids: single digits added to whole tens.

Subtract a single digit from a teen.

Subtraction pages especially for left handed children.

Subtract from 20 with a number line.

Subtraction number grids.

Knowing one fact often means you can know several other facts.

It's amazing what you know if you really think about it!

Groups of questions with conceptual links.

Completing subtraction sentences with numbers up to 20.

How many ways can you make 4 using the cards shown?

Try completing these number sentences. They are all to do with subtracting whole tens.

Completing missing symbols in number sentences.

Using subtraction to find who has more.

Solving 2-step problems with money up to 10p.