1. Speed

4. Let’s hope this isn’t you!

5. Distance (d) The measurement from one point to another
How far something has traveled
Possible units for distance:
Miles (mi)
Kilometers (km)
Feet (ft)
Centimeters (cm)

6. Displacement
How far you are from the start

7. Time (t) How long it takes for something to happen
Possible units for time:
Minutes (min)
Seconds (s)
Hours (hr)

8. Speed (s or v) How quickly an object gets from place to place
How fast or slow
Speed = distance / time

9. Units for Speed Units for speed is a derived unit
This means it comes from 2 other units (distance and time)
Examples:
Miles per hour (mph)
Meters/second (m/s)
Kilometers/hour (km/hr)

10. Cover up what you are solving for!
Speed
Cover up what you are solving for! d s t
s = d/t

11. d s t d = s x t What is the formula to solve for distance?
Cover up what you are solving for!
d = s x t

12. d s t t = d/s What is the formula to solve for time?
Cover up what you are solving for!
t = d/s

13. Speed is distance over time!

14. 5-Step Problem Solving What you know What you are solving for Formula
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Final Answer with Units

15. 5-Step Problem Solving
What you know
What you are solving for
Formula
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Final Answer with Units
A car takes four hours to reach its destination. The distance was 340 miles. What was the speed of the car?

16. 5-Step Problem Solving
What you know
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Formula
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Final Answer with Units
A boat was traveling at a speed of 36 km/hr. It has to travel a distance of 210 km. How long will it take?

17. 5-Step Problem Solving
What you know
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Formula
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Final Answer with Units
The speed of a cruise ship is 50 km/hr. How far will it travel in 14 hours?

18. 5-Step Problem Solving
What you know
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Formula
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Final Answer with Units
A hydroplane made speed records by traveling 239 miles in 45 minutes. What is its record-breaking speed in mph?

19. 5-Step Problem Solving
What you know
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Formula
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Final Answer with Units
A football field is about 100 m long. If it takes a person 20 seconds to run its length, how fast (what speed) were they running?

20. 5-Step Problem Solving
What you know
What you are solving for
Formula
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Final Answer with Units
A bullet travels at 850 m/s. How long will it take a bullet to go 1 km?