### Adding and subtracting multiples of 100

Practise adding these multiples of a hundred. To help you, remember: 1. Start with the bigger number first when adding. 2. Imagine the numbers don’t have zeros on them. 3. Use the number line for the number sentences in the right hand column.

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### Adding and subtracting multiples of 10

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Complete these calculations then write a word problem to go with the numbers. You could draw a picture to go with each problem, too! Don’t forget to use words like ‘altogether’ and ‘in total’.

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Can you solve these addition word problems? Use the hundred square to help you. Underline the numbers in each problem to help you work out what the calculation is.

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### Rolling three dice game

Roll three dice and use the three numbers for an addition calculation. (If you only have one die roll that three times instead!) How fast can you finish filling in the whole page? Use a stopwatch and time yourself and record your calculations. On your marks...

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### Number bonds to 20 snap

This is a great way to practise number bonds at speed. One player turns over a card and places it on the table, face up. The next player puts down a card next to it. Players take turns putting cards on the second pile (face up). When two cards put down together make 20, it’s snap! The person who says “snap” first keeps all the cards. Play again. The winner is the player who has all the cards at the end of the game.

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### Number bonds to 10 and 20 practice

Mia has finished her number bonds homework. How did she get on? Put a tick next to calculations she got right and a cross next to the ones that are incorrect. How many incorrect number bonds did you spot? Can you write the right answers next to them?

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### Number bonds dice game

Get a die and roll it. What number would you need to add to the number on the die to make 10? See how quickly you can work it out! This is a great way to practise those number bonds.

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### Know your Y2 number facts speed quiz

How good are you at answering tricky maths questions? Ask a grown-up to time how long it takes you to say the answer to these questions! Ready, set, go...

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### How many ways to make a number?

How many different ways can you add these numbers to make the number 9? Add two or three numbers together to see! You can use the same number more than once. Then using the same numbers, how many ways can you find of making 12?

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### From number bonds to 10 to number bonds to 20

Write down all the number bonds to 10 you know. Look at the calculation. Can you work out how to write the number bond to 20?

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### Finding ten more or ten less

Coloured pencils at the ready! Can you colour in the right numbers to answers these questions? You are going to be finding 10 more or 10 less than a number in a number square.

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### Finding change word problems

Here are some tricky number problems. Can you solve them? Use the number line snake to help if you want!

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### Counting around the house

Look at the items in the table. Can you find them in your home? How many can you find? Count them and fill in the table!

### Calculating change to 20p

Harry has 20p to spend on a snack. How much change will he get if he buys these items? Practise your subtraction (taking away) skills.

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Cut out and assemble the number dice. Two players take it in turns to throw one die, then the other. Each player adds (or subtracts) the two numbers thrown, then writes down the answer on the scorecard (next page) and asks the other person to check it. The player with the most correct answers after ten goes each is the winner.

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### 10 more or less number cards

Can you add or take away 10? Cut out the number cards and turn them face down on a table. Pick up one card at a time. Write down the number, then write 10 more and 10 less than that number in the scorecard columns.

### Y3 problem-solving: all four operations

Look at these problems and think about whether you need to add, subtract, multiply or divide. Can you write out the calculation? `draw diagrams if you get stuck.

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