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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 3 > Teacher Centre > Surf for More Math > Chapter 5 - Lesson 7
 

Surf for More Math

CHAPTER 5:LINEAR MEASUREMENT

Lesson 7: Measuring Perimeter

Use these interactive activities to encourage students to have fun on the Web while learning about measuring perimeter. Students can try these activities on their own or in pairs.

Goal

Estimate, measure, and compare perimeters.

Builds Upon

Student Book pages 124–125

Instructions for Use

Everything You Want to Know About Perimeter has students calculate the perimeter of different shapes. Note that Level 1 and Level 2 are most appropriate for students.

Click on the red rectangle beneath the word “Perimeter,” then click on the yellow triangle to read about how to calculate the perimeter of a shape. Select “Next,” then “Level 1.” Calculate the perimeter of the shape and type the number into the white box, and click “Check” to check your answer. Click “Next” to continue to the next problem.

Adam Ant asks students to calculate perimeters of different shapes.

Click the arrow to the bottom right of the picture of the ant, then click the forward arrow again after reading the next screen. Calculate the perimeter of the shape at the left side of the screen and type your answer into the box at the right side of the screen. Click “Check Me” to check your answer, then click “OK” and then click the forward arrow again to continue to the next problem.

 

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