KS1 Maths textbook

Year 1 Adding and Subtracting within 10: lesson and practice

Strand Number
Level Year 1
Practice 90 questions with step-by-step solutions

National Curriculum for England, Key Stage 1 mathematics, Year 1. Content: Part-whole model and number bonds within 10, Read, write and interpret statements with + , − and =, Add by counting on, Subtract by taking away and counting back, Related facts (fact families), Missing numbers such as 7 = [ ] − 2, Zero in addition and subtraction, One-step problems with objects and pictures.

Open Year 1 chapter

By the end of this chapter you will be able to

Put groups together and count on to add
Take away and count back to subtract
Use the part-whole model and number bonds to 10
Read and write + , − and = number sentences
Write a fact family from three numbers
Find a missing number in a sentence
Use zero when adding and taking away
Solve one-step problems with pictures

You should already know

Counting and the numbers 0 to 10 (Chapter 1)
One more and one less (Chapter 1)
Comparing groups (Chapter 1)

Where this leads

Adding and subtracting within 20 (Year 1 Chapter 5)
Numbers to 20 (Year 1 Chapter 4)

Lessons in this chapter

Read the whole chapter on one page (good for printing).

Practise with real exam questions

The DfE publishes the old KS1 tests, with mark schemes, for free. They are optional for schools now, so use them as extra practice.

KS1 Maths past papers