Name that Ratio
Vocabulary
All Things Equal
At Any Rate
And the Winner is...
100
What is the ratio of red circles to blue circles?
15 : 14
100
A comparison of two numbers.
Ratio
100
What is an equivalent ratio for:
2 : 3
4 : 6 or 6 : 9 or 8 : 12 or etc.
100
6 bananas cost $1.98 at the grocery store.
How much is the unit cost per banana?
$0.33 per banana
or
$0.33/banana
100
Which is the better deal?
2 chocolate bars for $1.99
or
5 chocolate bars for $4.50
5 chocolate bars for $4.50
($0.90 per chocolate bar)
200
What is the ratio of blue circles to total number of circles?
14 : 31
200
When rates are expressed as a quantity of 1.
Unit Rate
200
Find two equivalent ratios for:
1 : 5 : 2
2: 10 : 4 or 3 : 15 : 6 or 4 : 20 : 8
...etc
200
Karen earns $116 in 8 hours at her job.
What is Karen's hourly rate of pay?
$14.50 per hour
or
$14.50/hour
200
Milk is sold in two different packages:
A 1L carton costs $1.99
A 4L bag costs $3.99
Which is the best deal?
The 4L bag of milk.
($0.99/L)
300
What is the ratio of circles to total number of shapes?
11 : 15
300
Two ratios that express the same relationship between numbers.
Equivalent Ratios
300
Are the following ratios equivalent?
5 : 9 and 15 : 19
No!
300
The speed limit on the Linc is 90 km/h.
How far could you drive in 3 hours? (WITHOUT SPEEDING)
270 km
300
Caleb works 40 hours a week and earns $500
Nick works 35 hours a week and earns $472.50
Who has the higher rate of pay?
Nick has the higher rate of pay.
Caleb makes $12.50/hr
Nick makes $13.50/hr.
400
What is the ratio of red circles to green circles to blue stars?
7 : 4 : 4
400
A type of ratio that compares two quantities that have different units of measurement.
Rate
400
Type of ratio that compares two quantities that have different units of measurement.
Rate
400
Jackson works 40 hours a week and is paid $20 per hour.
How much does Jackson earn in a week?
$800
400
Sugar is sold in 2 different sized bags:
1 kg for $1.40
2 kg for $2.85
Which is the best deal?
1 kg for $1.40
500
What is the ratio of odd numbered dice to even numbered dice?
14 : 10
500
Different rates that have the same value
Equivalent Rates
500
A secretary types 240 words in 3 minutes.
1. How many words can the secretary type in 6 minutes?
2. What is the unit rate?
1. 480 words
2. 80 words per minute
500
A cheetah can run at speeds of up to 30 metres/second.
How long would it take a cheetah to run 45 metres?
1.5 seconds
500
Alycia and Kaitlyn both run a marathon which is 40 km long.
Alycia runs the marathon at a speed of 10 km/h.
Kaitlyn takes 5 hours to finish the marathon.
Who will finish the marathon first?
Alycia will finish first because Kaitlyn's speed is only 8 km/h.