Ratios
There are 6 girls and 8 boys in the class. What is the ratio of girls to boys?
6 to 8, 6:8
50 miles in 2 hours, _____ in 1 hour.
25 miles per hour
2:3 and 4:6
Yes, proportional, 2 x 6 = 12, 3 x 4 = 12
___: 3 = 6:9
2 , (3 x 3 = 9)
How many cups in a pint?
2 cups
Casey picked 10 limes and 6 lemons. What is the ratio of lemons to limes?
10:6,10 to 6
45 cupcakes for 15 people. _______ per person.
3 cupcakes per person.
Are 1:6 and 2:7 equivalent?
No, 2 x 1 = 2 and 2 x 6 = 12
____ : 4 = 9 : 12
3
How many quarts in a gallon?
4 quarts
Kayla has 4 cats and 3 dogs. What is the ratio of dogs to total pets?
3:4 , 3 to 4
If James types 120 words per 3 minutes, how many words per minute does he type?
What is $0.35
Are 3:4 and 9:12 equivalent?
Yes equivalent, 3 x 3 = 9 and 4 x 3 = 12
____: 6 = 8:12
4
How many pints in 2 quarts?
4 pints
A comparison between two numbers is called a______
ratio
John ran 500 meters in 5 minutes. How many maters did he run per minute?
100 meters per minute.
Are 8:12 and 2:3 equivalent?
Yes equivalent, 4 x 2 = 8 and 4 x 3 = 12
6:10 = _____ : 30
18
How many cups in a gallon?
16 cups
What is C, D Multiplying and Dividing
Chuck worked at Old Navy. He earned $360 in 30 hours. How many dollars per hour did he earn?
12 dollars per hour
12:20 and 3:10
Not equivalent, 4 x 3 = 12 but 4x 10 = 40
3:8 = 15 : ______
What is 40.
How many pints in 2 gallons?
16