Use the double number lines to answer the question.
Estimate the distance in meters you traveled in 1 second when moving slowly.
1
1
Question 6
6.
Lin and Diego both ran for 10 seconds, each at a constant speed. Lin ran 40 meters and Diego ran 55 meters.
Who was moving faster? Explain how you know.
Question 7
7.
Lin and Diego both ran for 10 seconds, each at a constant speed. Lin ran 40 meters and Diego ran 55 meters.
How far did each person move in 1 second? If you get stuck, consider drawing double number line diagrams to represent the situations.
Question 8
8.
Use your data from the previous activity. How far could you travel in 10 seconds at your quicker speed?
Question 9
9.
Han ran 100 meters in 20 seconds at a constant speed. Is this speed faster, slower, or the same as Lin’s? Diego’s? Yours?
Question 10
10.
Lin and Diego want to run a race in which they will both finish when the timer reads exactly 30 seconds. Who should get a head start, and how long should the head start be?
Question 11
11.
Two trains are travelling at constant speeds. Use the double number lines to determine which one is travelling faster.
Question 4
4.
Use the double number lines to answer the question.
Estimate the distance in meters you traveled in 1 second when moving quickly.
Question 5
5.
How is the diagram representing someone moving slowly different from the diagram representing someone moving quickly?