Practice ratio tables

Practice ratio tables
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Slide 1: Diapositive
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Cette leçon contient 15 diapositives, avec quiz interactifs et diapositives de texte.

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Practice ratio tables

Slide 1 - Diapositive

Kilometer is a ...
A
Quantity
B
Unit

Slide 2 - Quiz

Mass is a
A
quantity
B
unit

Slide 3 - Quiz

Quantity 
Unit
mm
time
kilogram
mass
volume
litre
length
minute

Slide 4 - Question de remorquage

25
..........
0,5
1
km/h
distance (km)
time (h)
the speed = ..........

Slide 5 - Question de remorquage

The unit for speed is
A
s
B
v
C
m/s
D
km/min

Slide 6 - Quiz

Lois runs 75 meters in 15 seconds. What is her average speed in m/s?
A
0,2 m/s
B
0,5 m/s
C
0,4 m/s
D
5 m/s

Slide 7 - Quiz

White board challenge
every team gets 2 white boards
answer the questions correctly using a ratio table

Slide 8 - Diapositive

Question 1
Bert runs a total of 60 kilometers in 3,5 hours. 
Calculate his speed in km/h.
Use a ratio table to answer this question

Slide 9 - Diapositive

ANSWER 1
1. distance = 60 km, time = 3,5 hours
2. speed = ........... km/h
3.  converting units: - 
4. 


5. answer:    speed = 17,1 km/h
distance (km)
60
60:3,5 = 17,1
time (h)
3,5
1

Slide 10 - Diapositive

Question 2
Simone drives 170 kilometers in 3 hours and 44 minutes.
Calculate her speed in km/h.
Use a ratio table to answer this question

Slide 11 - Diapositive

ANSWER 2
1. distance = 170 km, time = 3 hours and 44 minutes
2. speed = ........... km/h
3. converting units: 3 hours = 180 min     180 + 44 = 224 min
4.


5. answer: speed =   45,54    km/h


distance (km)
170
170:224 = 0,7589
0,7589x60 = 
time (min)
224
1
60
never round up in your calculator!

Slide 12 - Diapositive

Question 3
Rob rides his bike. His speed is 28 km/h.
He drives for 46 km.
How long is he driving?
Use a ratio tabel to answer this question.

Slide 13 - Diapositive

ANSWER 3
1. distance = 46 km, speed = 28 km/h
2. time = ........... hours
3. converting units: - 
4.


5. answer: time =  1,64 h


distance (km)
28
1
46
time (h)
1
1:28 = 0,0357
0,0357 x 46 = 1,64
never round up in your calculator!

Slide 14 - Diapositive

Question 4
Aliesha is drving in her car. Her speed is 53 km/h.
She drives for 7 minutes.
How far did she drive?
Use a ratio tabel to answer this question.

Slide 15 - Diapositive