Page 190 - 8th Grade IM flipbook

3.2 Activity: Weight and Fuel Eciency
Card 11 of 26
Teaching notes
5. Cars N and O, shown in the scatter plot, are made by the
same company. Compare their weights and fuel eciencies. Does anything surprise you about these cars?
6. A dierent company makes Cars F and G. Compare their weights and fuel eciencies. Does anything surprise you about these cars?
Pacing: 15 minutes for entire activity
This entire activity spans 7 cards. This is card 6 of 7. Student response
5. Car N has a lower weight and a higher fuel eciency than car O. Answers vary. Sample response: Nothing is surprising about these cars because they t in with the trend of the data.
6. Their weights are quite dierent, but they still have the same fuel eciency. Answers vary. Sample response: It is surprising that cars with such dierent weights made by the same company have the same fuel eciency since generally the heavier the car, the less fuel ecient it is.
Support for students with disabilities
Visual-Spatial Processing: Visual Aids. Provide handouts of the representations for students to draw on or highlight. Students may also benet from a straight edge tool for use as a guide to locate points on the grid.