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Year 1 Addition worksheets

Free worksheets: addition, KS1, Y1

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One more, one less crossword

One more, one less crossword

Can you fill in the crossword by writing the answers to the clues as number words?
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Number bonds to 10 practice worksheet

Number bonds to 10 practice

Do you know your number bonds to 10 without having to think about them? Put a tick or cross next to each calculation to show if they are right or wrong!
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Choose the route: addition and subtraction

Choose the route: addition and subtraction

Starting with the number on the left, work out which route the girl takes to get to the yellow house. Which route does she take to get to the lilac house?
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Number bond problems (to 20) worksheet

Number bonds to 20 challenge

Are you ready for a challenge? Think of as many number bonds to 20 as you can. Ready, set, GO!
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Number bonds to 20

Number bonds to 20

A handy practice exercise to help your child master their number bonds to 20.
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Practise number bonds to 10 worksheet

Practise number bonds to 10

Knowing the number bonds to 10 gives a firm foundation to so many other mathematical areas, so it's vital your child has a good understanding. Give them a little extra practice with this practical worksheet.
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Pairs to 10 rapid recall cards

Pairs to 10 rapid recall cards

A set of cards to cut out and keep. Use them to play pairs, choosing two numbers that make 10, or why not keep a spare set handy to use as number bonds to 10 flashcards?
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Find all the pairs that make 10

Find all the pairs that make 10

How fast can you find all the pairs of numbers that make ten? Why not do it against the clock... can you improve your time with practice?
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Subtraction counting back in hops worksheet

Subtraction: counting back in hops

Help your child solve subtraction problems (up to 20) with the help of number lines and counting back in 'hops', the techniques they'll be learning at school.
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KS1 number square to 100

Number square to 100

In KS1 maths your child will learn to calculate using a number square to 100. Print out our teacher-created versions (plain, jungle-themed and very colourful!) to help them practise addition and subtraction at home.
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