Ratio
Percent
Relate decimals to percents
Equivalent ratios
100
What is a ratio?
Comparison of two quantities with the same unit
100
What is a percent?
One part in a hundred.
100
What is 0.5 as a percentage?
50%
100
What are equivalent ratios?
Ratios that have the same value/ when two ratios represent the same comparison
200
Are 7/8, 7 to 8, and 7:8 equivalent?
Yes
200
What percent of the hundredth grid is shaded?
43%
200
What is 0.05 as a percentage?
5%
200
Are 1:3 and 4:12 equivalent ratios?
Yes
300
Are 3:2 and 2:3 equivalent?
No
300
What is 65/100 as a percent?
65%
300
What is 90% as a decimal?
0.9
300
Give an example of an equivalent ratio of 4:2.
Examples:
40:20
8:4
24:12
48:24
400
What is the ratio of red to blue jellybeans if Taylor has 10 red jellybeans and 7 blue jellybeans?
10:7
400
Ninety-seven percent of Earth's water is salt water. What percent is fresh water?
3% or three percent
400
What is 2% as a decimal?
0.02
400
Messi plays for the Edmonton Rec League. The ratio of players to soccer balls at practice sessions is 5:2. How many soccer balls are needed for 20 players?
8 soccer balls will be needed for 20 players.
500
Sarah has 40 cookies. 20 cookies are chocolate chip, 13 cookies are oatmeal, and 7 cookies are white chocolate chip. What is the ratio of all cookies to oatmeal cookies?
40:13
500
What is 3/4 as a percentage?
75%
500
Marcus got 18 out of 20 on a math quiz. Monica got 85% on the quiz. Whose mark was greater?
Marcus got a higher (greater) mark.
500
Tom's recipe for bean salad uses 3 cans of chickpeas beans, 2 cans of pinto beans, and 1 can of kidney beans. For a birthday party, Tom decides to use 9 chickpeas. How many cans of pinto beans will Tom need?
Tom will need 6 cans of pinto beans