Page 190 - IM_Grade 8_FL Print Sample.pdf

3.2 Activity: Weight and Fuel E ciency
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 e ciencies. Does anything surprise you about these cars?
6. A di erent company makes Cars F and G. Compare their weights and fuel e ciencies. 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 e ciency 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 di erent, but they still have the same fuel e ciency. Answers vary. Sample response: It is surprising that cars with such di erent weights made by the same company have the same fuel e ciency since generally the heavier the car, the less fuel e cient 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 bene t from a straight edge tool for use as a guide to locate points on the grid.