Assignment # ______SpeedName ______
Standard: AF4.2 Solve multi-step problemsPre-Algebra, Period ______
involving rate, time, distance,
average speedDate ______
Example: Mr. Lau traveled 180 miles. If it took him 3 hours to get there, how fast was he driving?
plug in what you know
Speed = 60 mphdivide (don’t forget the units!!!)
1. What is the formula for calculating speed?
(Two forms: words and variables)
3. A plane flies across the country 3000 miles in 6 hours. What is its speed?
5. Cupid shoots an arrow at Beyonce. The arrow flies 20 meters in one second. How fast does the arrow fly?
2. Write out the speed below using words.
2 m/s (m means meters)
4. There is a cliff that is 200 meters high. A rock falls off the cliff and hits the ground 10 seconds later. What is the speed of the rock?
6. A football is punted 36 yards, and is in the air for 4 seconds. What is the speed of the ball?
7. Olympic sprinters can run 100 m in about 10 seconds. How fast is this?
9. Mr. Lau is traveling to Chicago in June. He leaves at 7 pm and arrives at 11 pm. Chicago is 3,600 miles from Richmond. What was the average speed of the airplane?
11. A young cyclist rides his big wheel 4 miles in 10 hours. What is his average speed?
13. Charrell’s family is driving 600 miles to San Diego. The family leaves at 5 am and arrives in the afternoon at 1 pm. How fast were they driving?
8. A plane flew from Oakland, CA to Guadalajara, Mexico, a total of 2000 miles. It took five hours for the plane to arrive. How fast was it flying?
10. Leroy takes the train 900 miles from Richmond, CA to Spokane, WA. He leaves at 6:00 am and arrives in the evening at 9:00 pm. What was his average speed?
12. A car that is stuck in traffic travels 6 miles in 60 minutes. What was its average speed?
14. A rabbit hops 140 feet in 35 seconds. How fast is it hopping?