L9 Constant Speed cloned 1/16/2022

Last updated over 3 years ago
11 questions
1

Find the quotients mentally.

1
1

Use the double number lines to answer the question.

Estimate the distance in meters you traveled in 1 second when moving slowly.

1

Use the double number lines to answer the question.

Estimate the distance in meters you traveled in 1 second when moving quickly.

1

How is the diagram representing someone moving slowly different from the diagram representing someone moving quickly?

1

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.

1

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.

1

Use your data from the previous activity. How far could you travel in 10 seconds at your quicker speed?

1

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?

1

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?

1

Two trains are travelling at constant speeds. Use the double number lines to determine which one is travelling faster.