Maths Quiz - Shapes (Year 5) (Answers)
In KS2 Maths, as you move to Year Five, you'll learn more about shapes. You'll know names of 2D shapes, from circles to decagons, and some 3D shapes too. Spotting equilateral, right angle, and isosceles triangles is a breeze now. Get ready for scalene, obtuse triangles, and congruent shapes!
A circle and a triangle are both shapes. Did you know drawing a perfect circle makes you a genius? Try it! Triangles come in types like isosceles, scalene, or equilateral, depending on their angles.
Do you know the difference between an oblong and a rectangle? Can you tell isosceles from a scalene triangle? Test your shape knowledge with this fun quiz!
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You can find more about this topic by visiting BBC Bitesize - Recognise and describe 3D shapes
Scalene comes from the Greek word for "unequal"
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Do you remember that angles between 90o and 180o are called obtuse angles?
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If one shape can become identical to another by using turns, flips or slides but without changing the size, then the two shapes are congruent
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Remember that 'octa' means 8 and that 'hedron' means a 3D shape
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A regular octahedron would have equilateral triangles as each of its 8 faces
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A rectangle is a quadrilateral where all four sides are right angles
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If you cut a triangle into two with a straight line, at least one of the two pieces will be a triange
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The diameter is twice the radius
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Irregular polygons are where the sides are not equal
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Pentagons have 5 sides - all the other shapes have just 4
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