Maths Quiz - Perimeter and Area (Year 4) (Answers)
In KS2 Maths, you'll learn cool stuff about shapes! In Year Four, we'll figure out how long the sides of squares and rectangles are, and what goes around them – that's called the perimeter. We'll also learn the area, which is like the space inside the shape. We use special units like mm2, cm2, or m2. We'll even make good guesses about how much space a shape takes up.
Imagine a rectangle – we can find its area by multiplying how long it is by how short it is! The answer will be in square mm, cm, or m. So hey, let's take a fun quiz for 8-9 year olds and show off your area and perimeter skills!
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You can find more about this topic by visiting BBC Bitesize - How to work out an area
To calculate the perimeter of a 2D shape, add together the length of each side
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100cm = 1m That's way too big for a 'phone!
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A square has four equal sides, therefore the perimeter will be 4 x 6 = 24
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A rectangle has two sides of equal length and two more side with equal length. So the answer is:
(2 x 5) + (2 x 9) which is 10 + 18 = 28 |
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As a square has four equal sides, we divide by 4 to get the answer
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Area is measured in square mm cm m or km
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Cubed cm are written as cm3
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Millimetres and centimetres would be way too small and kilograms measure weight!
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This would be a very small notebook measuring 4cm x 6.5cm
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Squared paper helps to work out the area of irregular shapes too
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