Unit 11 Contents

Discuss these questions with your group. Write answers to these questions on a sheet of paper.

1. How long is Sara's calculator on the map?
2. How long is her calculator in the real world? Show or tell how you found your answer.
3. Measure your calculator. Use this measurement to explain whether your answer for Question 6B is reasonable or not.
7. Which one is longer, the ruler or the book? Show or tell how you know.
1. Estimate the length of Sara's eraser on the map.
2. Use your estimation to decide how long Sara's eraser is in the real world. Show or tell how you found your answer.
1. Estimate the distance in the real world from the middle of the bottom of the calculator to the bottom left corner of the book.
2. Use the map and your ruler to find the exact distance.
3. Compare the actual distance to your estimated distance. Was your estimate reasonable? Why or why not?
10. Estimate the width of the calculator in the real world. Show or tell how you solved the problem.
11. Explain how the grid is helpful in mapping Sara's desk.

Check-In: Question 12

12. Use a book, calculator, pencil, eraser, and ruler. Try to make your desk look like Sara's desk.

Use the Captain Jack's Island pages in the Student Activity Book for more practice solving problems using scale maps.