KS2 Maths Quiz
The name of a part of the circumference of a circle is arc, such as the arc of a rainbow.

# Shapes (Year 6)

In KS2 Year Six, children should be quite comfortable when dealing with shapes in Maths. By now they should know the names of some irregular 2D shapes like the parallelogram, the kite or the rhombus, and be familiar with the regular polygons from the circle up to the dodecagon, and also several of the 3D shapes. They will also be familiar with some of the words used to describe shapes, such as circumference, concentric, arc or parallel.

Shapes with equal angles at teach of their corners, like squares or pentagons, are called regular shapes. But what do we call a shape with different angles, like a kite, a rhombus or a parallelogram? We call it an irregular shape. Irregular shapes have some odd names, like trapezium or even diamond!Cubes and pyramids are 3D shapes. Making three-dimensional shapes with card can be great fun and will give you an idea of how many faces a certain shape has.

Do you know the difference between a rhombus and a parallelogram? Test your knowledge of trapeziums, dodecahedrons and some other shapes in this quiz.

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1. How many faces does a dodecahedron have?
A regular dodecahedron has pentagon shaped faces
2. A rhombus looks like which other shape?
A rhombus is a quadrilateral with 4 equal length sides, like a square that has been squashed!
3. What is the name of a part of the circumference of a circle?
Rainbows are arcs
4. What is the name of a 12 sided flat shape?
'Do' means 2 and 'deca' means 10 so 'dodeca' means 12
5. What do two concentric circles share?
Ripples on the surface of a pond are concentric circles
6. Which quadrilateral has no parallel sides?
A kite has 2 pairs of equal length sides but none of them are parallel to another
7. Which of these shapes is not a parallelogram?
A parallelogram has all opposite sides parallel and equal in length
8. What is the name of two lines that are always the same distance apart?
They never cross each other
9. What is the name given to the distance around the edge of circle?
'Circum' means going around and is related to the word 'circle'
10. What are perpendicular lines?
The corners of rectangles are formed by perpendicular lines

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