Moving Straight Ahead Investigation 1.1 Homework

Walking Marathons Moving Straight Ahead – Investigation 1.1 Homework Name: ______Period: ______

Hoshi walks 10 meters in 3 seconds. 1. What is her walking rate? (in meters per second)

2. Write an equation that represents the distance, d, that Hoshi walked in t seconds.

3. How long would it take her to walk 100 meters?

4. If she walks the same rate for 50 seconds, how far has she walked?

5. If she walks the same rate for 3 minutes, how far has she walked?

6. Milo walks 40 meters in 15 seconds. Mira walks 30 meters in 10 seconds. Whose walking rate is greater? Jennifer is in a walking race at her school. In the first 20 seconds, she walks 60 meters. In the next 30 seconds, she walks 60 meters. In the next 10 seconds, she walks 35 meters. In the last 40 seconds, she walks 80 meters.

7. What is Jennifer’s walking rate during the first 20 seconds?

8. What is Jennifer’s walking rate during the next 30 seconds?

9. What is Jennifer’s walking rate during the next 10 seconds?

10. What is Jennifer’s walking rate during the last 40 seconds?

Directions: Solve and state whether the following number sentences are true.

11. 20 x 410 = (20 x 400) + (20 x 10)

12. 20 x 308 = (20 x 340) – (20 x 32)