Lesson

Can you recall the names of common 2D shapes ?

What is the name of the shape below?

A

Triangle

B

Rectangle

Worked Solution

Idea summary

To help work out the name of a shape, think about properties like:

How many sides it has

What sides are the same length

This video will show you how to work out the name of a 2D shape based on its properties.

Which of the following shapes are rectangles? Choose all correct answers.

A

B

C

D

Worked Solution

Idea summary

The features of 2D shapes help us know which shape we are looking at, such as:

the number of sides, including any that are equal or parallel

the number of angles, as well as any right angles.

This video will look at the properties of some 3D shapes including prisms and pyramids.

Here is a square pyramid:

a

How many faces does it have?

Worked Solution

b

How many vertices does it have?

Worked Solution

c

How many edges does it have?

Worked Solution

Idea summary

The features of 3D shapes include:

the number of faces, and the shape of each face

the number of edges

the number of vertices

the shape of the base they have (for pyramids).