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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 3 > Teacher Centre > Surf for More Math > Chapter 11 - Lesson 6
 

Surf for More Math

CHAPTER 11: 2-D AND 3-D GEOMETRY

Lesson 6: Counting Edges and Vertices of 3-D Objects

Use this interactive activity to encourage students to have fun on the Web while learning about counting edges and vertices of 3-D objects. Students can try this activity on their own or in pairs.

Goal

Identify and count the number of edges and vertices of 3-D objects.

Builds Upon

Student Book pages 266–267

Instructions for Use

2-D and 3-D Quiz tests students’ knowledge of edges, vertices, and faces of 3-D objects.

Click “Start Now,” then read the shape definition. Choose a shape from the list, then click “Submit Answer.” A new problem will appear below your last answer. Continue until all questions have been answered.

 

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