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Shapes that do not have volume (they are flat) are called two-dimensional (2D), e.g. the square and the circle. How many more two-dimensional shapes can you think of?

Do you have a favorite shape? Have you ever tried to draw an animal using just one or two shapes? It's fun! See if you can draw a pig using only circles. But before you get your pencils out, play this quiz.

**TIP!** A quadrilateral is a closed 2D-shape formed by four straight lines, e.g. a square.

1.

What is the name of the object that is being described?

It's a closed 2D-shape with three straight sides that are joined up at their ends.

It's a closed 2D-shape with three straight sides that are joined up at their ends.

Square

Pyramid

Triangle

Cube

This is the ONLY three-sided shape

2.

What is the name of the object that is being described?

It's a small dot.

It's a small dot.

Spot

Place

Point

Location

In math, a 'point' is used to locate or position something

3.

What is the name of the object that is being described?

It's a closed quadrilateral, the sides of which are equal in length and joined at right angles to each other.

It's a closed quadrilateral, the sides of which are equal in length and joined at right angles to each other.

Square

Rectangle

Parallelogram

Rhombus

This is the best answer

4.

What is the name of the object that is being described?

It's a closed five-sided 2D-shape, the sides of which are equal in length and joined at the same angle to each other.

It's a closed five-sided 2D-shape, the sides of which are equal in length and joined at the same angle to each other.

Regular hexagon

Regular pentagon

Regular heptagon

Regular octagon

If the sides weren't all the same length, it would be called an 'irregular' pentagon. Polygons are closed shapes that have three or more straight sides: hexagon (6 sides), heptagon (7 sides), octagon (8 sides), nonagon (9 sides), decagon (10 sides). LEARN this stuff!

5.

What is the name of the object that is being described?

It's a closed 3D-shape that is formed by rotating a circle.

It's a closed 3D-shape that is formed by rotating a circle.

Sphere

Torus

Ellipsoid

Oblate spheroid

If you are really interested, look up the other words in this question.The shape of the Earth is very close to that of an oblate spheroid

6.

What is the name of the object that is being described?

It describes a shape that has volume.

It describes a shape that has volume.

Bulk

Size

Dimension

Solid

In math it's called a 'solid' shape. Did you know that 'solid geometry' is concerned with the study of 3D-space?

7.

What is the name of the object that is being described?

It's a closed 2D-shape in the form of a perfect hollow ring.

It's a closed 2D-shape in the form of a perfect hollow ring.

Oval

Diamond

Circle

Rhombus

The points on a circle are all at the same distance from its center

8.

What is the name of the object that is being described?

It's a closed quadrilateral with two pairs of parallel sides which are not joined at right angles to each other and which are not all identical in length.

It's a closed quadrilateral with two pairs of parallel sides which are not joined at right angles to each other and which are not all identical in length.

Parallelogram

Square

Rhombus

Rectangle

It's not a rectangle because its parallel sides are joined at right angles to each other

9.

What is the name of the object that is being described?

It's a measure of the amount of rotation (turn).

It's a measure of the amount of rotation (turn).

Spin

Twist

Swivel

Angle

In math it's called 'angle' NOT 'angel'. God knows why!

10.

What is the name of the object that is being described?

It's a closed 3D-shape that has six identical square sides, where each square side is at right angles to the other square sides that it joins with at its edges.

It's a closed 3D-shape that has six identical square sides, where each square side is at right angles to the other square sides that it joins with at its edges.

Tetrahedron

Cube

Cylindrical prism

Pyramid

The cube and the sphere are probably the commonest 3D shapes

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