1. How to calculate SPEED

2. What is the fastest land animal in the world?

3. How to calculate speed Time Distance and
To find speed you need two things….
Speed is express as Distance per Time.
What are some Examples?
Time
Distance
and

4. 10 m 4 min 2 m/s 20 cm 6 mm/sec 30 s 100 km 60 miles 100 cm/min
After seeing each unit decide if it is a….
Distance
Time
Speed
10 m
4 min
2 m/s
20 cm
6 mm/sec
30 s
100 km
60 miles
100 cm/min
10 km/h

5. Once you understand COMPLETE the blank triangle in your notes.
Equation =
S = d / t
Equation =
d = S x t
Equation =
t = d / S
Once you understand COMPLETE the blank triangle in your notes.

6. Partner A explain to your partner IN FULL how you would use the speed triangle.
If you both agree write it in your notes
Partner B on your white board show your partner the equation you use to find…
Time
Distance
Speed
IF partner A agrees with your solution write each equation in your notes.

7. We will do an example together
Mr. Busby ran 30 meters in 4 seconds. How fast did he run?
What you have… D= T= S=
30 meters
4 seconds
We are looking for this
What equation?
Sub numbers in
Solve the equation
S = 30m / 4s
S= 7.5 m/s
S = D / T
S = 30m / 4s

8. Rally Coach Take turns explaining how to solve each problem.
Follow the instructions and fill in each box.
You may use a calculator.

9. Correct Answers
A. 200 meters
B. 500 seconds
C. 10 mm/s
D. 5 m/s

10. Complete the table on your own
Correct Answers.
meters
2. 5 m/s
3. 30 sec
meters
5. 50 m/s
6. 20 s
Go over the ones you missed. Have your partner teach you how to do it correctly. If you both got it wrong go over it together.

11. 10 Point Quiz: You may use your notes
Solve the problem using the speed triangle. Please use the outline given to you below
If a car travels 400m in 20 seconds how fast is it going? D= t= S=
What equation?
Sub numbers in
Solve the equation