Comparing Strategies for Proportion ProblemsProjector Resources Comparing Strategies for Proportion Problems Projector Resources.

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Presentation transcript:

Comparing Strategies for Proportion ProblemsProjector Resources Comparing Strategies for Proportion Problems Projector Resources

Comparing Strategies for Proportion ProblemsProjector Resources Working Together Find a good, efficient method for solving each problem. Work together on one problem at a time. Take turns to explain your method to your group. –Listen carefully. –Ask questions if you do not understand or agree. If you discuss more than one method, together decide which way you all think is best. Write your solution on the poster and explain it. Before you move on to the next problem, make sure that everyone in your group can explain the group’s method. P-1

Comparing Strategies for Proportion ProblemsProjector Resources Recipe P-2 You want to make 10 pancakes. a. How much flour do you need? b. How much milk do you need?

Comparing Strategies for Proportion ProblemsProjector Resources Paint Prices P-3 2. Calculate the prices of the paint cans. The prices are proportional to the amount of paint in the can.

Comparing Strategies for Proportion ProblemsProjector Resources Enlarging a Poster P-4 3. The photograph is enlarged to make a poster. The photograph is 10cm wide and 16cm high. a. The poster is 25 cm wide, how high is the poster? b. The building on the poster is 30 cm tall. Is it possible to figure out how tall the building is on the photograph? If you think it is possible, show how. If you think it is not, explain why.

Comparing Strategies for Proportion ProblemsProjector Resources Sample Responses to Discuss: Eilon P-5

Comparing Strategies for Proportion ProblemsProjector Resources Sample Responses to Discuss: Faith P-6

Comparing Strategies for Proportion ProblemsProjector Resources Sample Responses to Discuss: Gavin P-7