In KS2 Maths, children learn about perimeter and area. Year Six students figure out the perimeter of shapes like squares, triangles, and rectangles. They also tackle the area of a square, a right-angled triangle, a rectangle, or an L-shape. Converting between mm2, cm2, and m2 becomes a breeze. Now, they explore 3D shapes and how to find their area.
Area is the size of a 2D or 3D shape's surface. For a 3D shape, add the area of each face together. Calculating each face's area is similar to 2D shapes. This Perimeter and Area quiz is all about 2D shapes' perimeter and area, and 3D shapes' surface area.
Take this quiz if you're 10-11 years old and discover what you know about area and perimeter in KS2 Maths.
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You can find more about this topic by visiting BBC Bitesize - How to work out an area
Octagons have 8 sides so 12 x 8 = 96
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A regular decagon has 10 equal sides, so we multiply the length of the side by 10 to calculate the perimeter
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A regular heptagon has 7 equal sides. To find the length of each side divide the perimeter by 7
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A rectangle measuring 60cm by 45cm would have an area of 2,700cm2
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There are 10mm in a cm so 10 x 10 = 100
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Always simplify shapes if you can
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The area of each face is 25cm2. There are 6 faces, so multiply 25cm2 by 6 to give 150cm2
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2 of the faces will be 4cm x 5cm = 20cm2
2 of the faces will be 4cm x 6cm = 24cm2 2 of the faces will be 5cm x 6cm = 30 cm2 20 + 20 + 24 + 24 + 30 + 30 = 148 |
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Right angled triangles are rectangles cut in half so the formula is the same as for a rectangle but then halved
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12 x 6 = 72
72 ÷ 2 = 36 |