Unit rate
Rates Ratios and Unit Rates
You will need two different colored highlighters
Not all slides are used in the notes
• Ratio - a comparison of two quantities by division. Can be written 3 different ways.
200 to 4
4
• Rate – Ratio that compares 2 quantities measured in different units
200 Miles : 4 Hours
200 Miles
4 Hours
200 Miles to 4 Hours
Ex 1) A basket of fruit contains 6 apples, 4 bananas, and 3 kiwi.
Write a ratio in all 3 forms for the following:
A. Bananas to kiwi
B. Kiwi to bananas
C. Bananas to apples
D. Apples to Kiwi
4 b
3 k
3 k
4 b
4 b
6 a
=
2 b
3 a
6 a
3 k
=
2 a
1 k
1. Write the first quantity on top with a label
2. Simplify, but do not convert to a proper fraction
A unit rate is a rate whose denominator is 1. To change a rate to a unit rate, divide both the numerator and denominator by the denominator.
200 Miles
4 Hours
=
50 Miles
1 Hour
Ex 2)
During exercise, Paul’s heart beats 675 times in 5 minutes.
How many times does it beat per minute?
5 minutes
÷
÷ 5
135 beats
1 minute
Ex 3) The Millers want to drive the 288 miles to Rainbow Falls in
6 hours. What should their average speed be in miles per hour?
288 miles
6 hours
÷
÷ 6
48 miles
1 hour
Notes start here
Date ___________
Rates Ratios and
You will need two different colored highlighters
A ratio is a comparison of two quantities. Can be written
3 different ways.
: to
• Rate – Ratio that compares 2 quantities measured in different units
: to
Ex 1) A basket of fruit contains 6 apples, 4 bananas, and 3 kiwi.
Write a ratio in all 3 forms for the following:
A. Bananas to kiwi
B. Kiwi to bananas
C. Bananas to apples
D. Apples to Kiwi
1. Write the first quantity on top with a label
2. Simplify, but do not convert to a proper fraction
A unit rate is a rate whose denominator is 1. To change a rate to a unit rate, divide both the numerator and denominator by the denominator.
200 Miles
4 Hours
=
50 Miles
1 Hour
Ex 2)
During exercise, Paul’s heart beats 675 times in 5 minutes.
How many times does it beat per minute?
÷
÷
=
Ex 3) The Millers want to drive the 288 miles to Rainbow Falls in
6 hours. What should their average speed be in miles per hour?
÷
÷
=
