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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 7 > Teacher Centre > Surf for More Math > Chapter 6 - Lesson 7
 

Surf for More Math

CHAPTER 5: MEASUREMENT

Lesson 3: Exploring Circumference and Diameter

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

Goal

Investigate the relationship between the diameter and circumference of a circle.

Builds Upon

Student Book page 207

Instructions for Use

Circumference, Perimeter of a Circle allows students to explore the relationship between the circumference, diameter, and radius of a circle.

Drag the orange dots to move and resize the circle. Note the radius changes and the circumference is calculated for that radius. Read through the information on the different formulas that reflect the relationship between circumference, diameter, and radius of a circle.

 

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