1) What is the correct formula for calculating SPEED? a) S = d ➗ t b) S = t ➗ d c) S = d ✖ t d) S = d ➕ t e) S = t ➖ d f) S = t + t + d + d 2) What is the correct formula for calculating AVERAGE SPEED a) Average Speed = average distance ➗ average time b) Average Speed = total distance ➗ total time c) Average Speed = average distance ➗ total time d) Average Speed = total distance ➗ average time 3) What is the average speed of a helicopter that flies 50 km in 20 minutes and then 30 km in 10 minutes? a) 2.67 km/min b) 2.75 km/min c) 2.5 km/min d) 3.0 4) What is the average speed of a lizard that runs 100 meters in 40 seconds then runs an additional 50 meters in 20 seconds? a) 2 m/s b) 1.5 m/s c) 2.5 m/s d) 3 m/s 5) A snail moves 100 meters in 2 hours. What is his average speed? a) 102 m/hr b) 200 m/hr c) 20 m/hr d) 50 m/hr 6) A soccer ball is kicked a distance of 550 meters. It took the ball 11 seconds to make the trip. How fast was the ball moving? a) 6050 m/s b) 50 m/s c) 561 m/s d) 539 m/s 7) Ms. Neu ran a marathon in Boston. She ran the 26-mile race in 4 hours. What was her average speed for the entire race? a) 6 mi/hr b) 22 mi/hr c) 6.5 mi/hr d) 5.6 mi/hr 8) A science class is taking a field trip to Galveston. If the trip takes 1.5 hours and Galveston is 52 miles away, what was the average speed of the bus? a) 34.67 mi/hr b) 28 mi/hr c) 50.5 mi/hr d) 53.5 mi/hr 9) Mark, Felix and Sean rode their bikes to YouTube headquarters. The 10 km trip took 25 minutes. They spent 60 minutes there, then returned 10 km back to Mark's house in 35 minutes. What was their average speed in km/hr? a) 20 km/hr b) 0.33 km/hr c) 0.17 km/hr d) 10 km/hr 10) What is the average speed of a car that travels 70 km in 1.5 hours? a) 46 km/hr b) 50 km/hr c) 46.7 km/hr d) 105 km/hr 11) The distance between two cities is 144 km. It takes Katerin 3 hours to travel between these cities. At what speed did she travel? a) 48 mi/hr b) 48 km/hr c) 50 km/hr d) 50 mi/hr 12) Earth spins a distance of 25,992 miles every day. At what speed does the Earth spin in miles per hour? a) 55 mi/hr b) 25,992 mi/hr c) 1083 mi/hr d) 100 mi/hr 13) Zach drives his truck 75 km in 1.5 hours. What is the average speed? a) 112.5 km/hr b) 85.5 km/hr c) 50.5 km/hr d) 50 km/hr 14) William rides his skateboard 10 miles in 2 hours, then another 14 miles in 2 hours. What is William's average speed? a) 6 km/hr b) 5 km/hr c) 7 km/hr d) 12 km/hr 15) Derek ran a sprint. It took Derek 1.5 seconds to run the first 100 meters. He ran the second 100 meters in 1 second. What was his average speed? a) 100 m/s b) 40 m/s c) 80 m/s d) 60 m/s

Calculating Average Speed

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