Finding Areas of Circles

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Presentation transcript:

Finding Areas of Circles Projector Resources

Field

The Problem The farmer is going to leave the goat for a day and wants it to have access to an area of exactly 20 square yards of grass. How long should he make the rope? On another occasion, he wants to leave the goat for longer, so he might want the goat to have 50 square yards of grass. Your task is to find out how long he should make the rope to give the goat access to different areas of grass.

Sample Responses to Discuss Take turns to explain to the rest of the group what the student in your sample response has done and what your answers are to the questions on the sheet. Listen carefully to the explanations. Ask questions if you don’t understand. When everyone is satisfied with the explanations, you may want to change some of your own ideas!

Sample Responses to Discuss: Kadu

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Sample Responses to Discuss: Alice