1. Section 1

1.23. Are You Ready?

Mathematics 20-3 Module 5

Section 1: Viewing and Representing 3-D Objects

 

Are You Ready?

 

Did You Know?

This is a photo of the Atomium pavilion in Brussels, Belgium.

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The largest model of a cube is the Atomium (an iron crystal magnified 165 billion times) in Brussels, Belgium. The structure stands 102 m high and was the main pavilion for the Brussels World's Fair of 1958. The cube was built to symbolize peace and unity among all people.

In this section you will review the construction of three-dimensional figures from their nets. You will need scissors and tape or a glue stick.

 

Print out each of the following nets to practise building 3-D models of each figure.

  1. Build a 3-D model of a cone from the cone net.
  1. Build a 3-D model of a pyramid (square base) from the square pyramid net.
  1. Build a 3-D model of a cylinder from the cylinder net.
  1. Build a 3-D model of a cube from the cube net.
  1. Puzzle this out. Try the hexominos puzzle activity on page 121 in your textbook. Answer

If you answered the Are You Ready? questions without problems, move on to Discover.

 

If you found the Are You Ready? questions difficult, complete Refresher to review these topics.