# Year 4 Maths worksheets by School Year

### Adding and subtracting multiples of 10, 100 and 1000

Try this quick mental maths checker – adding and subtracting multiples of 10, 100 and 1000. Colour in a star every time you get 10/10!

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### Perimeter investigation

How many four-sided shapes with a perimeter of 24cm can you create on the squared paper?

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### Perimeter explained

Imagine an ant crawling around the outside of a shape. The distance the ant walks is the shape’s perimeter. Perimeter is usually measured in centimetres and metres. Can you work out the answers to these perimeter questions?

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### Pairs of fractions that total one

Can you cut out these cards and match them up so that each pair of fractions total one?

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### Number sentences totalling 100 and 200

Look at these number sentences. What digits need to go in the gaps? Remember when adding two numbers totalling 100, the tens numbers have to add up to 90 and the units have to add up to 10.

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### Multiplying by 100

When you multiply a number by 100, use your place value skills to slide the digits two places to the left, then put two zeros in before the decimal point. Cut out these number cards. Each green number is an orange number multiplied by a hundred. Can you match them into their correct pairs?

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### Multiples of 5 investigation

Carol, Robert, Faye and Daniel all have collections of monster cards. Can you work out how many monster cards each person has from the information given?

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### Line symmetry

Something is symmetrical when both sides of it are the same when cut in half. The line down the middle of a symmetrical shape is called the line of symmetry or a mirror line. Can you draw the other half of each shape using reflectional symmetry? Use a mirror to check your work!

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### Length problems challenge

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### Halving investigation

If you take any three-digit number ending in two zeros and keep halving it, you will eventually end up with a number that ends in 5. Do you think this is true? Test this out using this table to record your findings. Test every number possible.

### Fractions of quantities

I have 16 bananas. I give ¾ of them away. How many have I given away? When working out fractions of amounts, divide the number by the fraction denominator (bottom number) then multiply it by the fraction numerator (top number). Can you use this method to work out the rest of these fractions?

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### Fractions and money

Her are some facts. Use them to help you work out these money problems. You'll need to use your fractions skills too.

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### Estimating and checking calculations

Susie has worked out answers to these calculations. Have a look through and estimate what you think the answer should be. Don’t spend ages working out the exact answer! Give Susie a tick if you think she is right or a cross if you think she is wrong. In the last column, explain why she is right or wrong. Afterwards, use a calculator to check whether Susie’s answers were right or not.

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### Doubling two-digit and three-digit numbers

When doubling a number, trying doubling each digit in turn and then adding them together. Use this method to double each of these numbers.

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### Dividing by 10

When you divide a number by 10, use your place value skills to slide the digits one place to the right. Can you divide each of these numbers by ten?

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### Describing direction

The line shows a journey taken by a ladybird. For each straight line, write down how many squares it has travelled and in what direction. The first three have been done for you.

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### Completing a bar chart

Darren took a tally of the favourite school dinners of children in his class. Can you complete this bar chart to show how many people liked each different meal? Remember to make sure all the bars are the same width and that there are gaps of the same width between each bar. Think about the width of each bar before you start drawing, putting pencil markings down for the first bar.

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### Comparing and ordering angles smaller than 180 degrees

Cut up these angles and group all the acute angles together and then all the obtuse angles together. Can you order the angles in each group by size? Remember: Angles smaller than 90o are acute. Angles larger than 90o are obtuse.

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### Cheaper offer investigation

Matthew wants to buy 6 cans of lemonade. He sees two special offers in a shop. Can you work out which is the best deal and explain why?

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