Ratios
A ratio is a comparison of two or more quantities. True or False?
True.
For every 4 hot dogs, 5 sodas are sold. What is the ratio of sodas to hot dogs sold?
5 to 4; 5:4; 5/4
All answers above are acceptable.
What is the unit rate if Emma reads 100 pages in 4 hours?
25 pages in an hour.
What value of x makes these ratios equivalent?
x:6 = 6:9
What is 4
What is another word for "equivalent"?
Proportional
Write 3 equivalent ratios.
Answers will vary, must be confirmed by opposing player (if playing against someone)
There are 3 pineapples and 5 bananas. What is the ratio of bananas to total fruit?
5:8
What is the unit rate for 4 trays with 48 ice cubes
12 ice cubes per tray
What value of x makes these ratios equivalent?
x/6 = 8/12
What is 4
Are these ratios equivalent?
2/3 and 4/6
Yes
What two operations will produce equivalent ratios?
A. Adding
B. Subtracting
C. Multiplying
D. Dividing
C, D: Multiplying and Dividing
Which is a better buy?
2 lbs of apples for $4 OR 5 lbs of pears for $15?
The 2 pounds of apples are a better buy because the apples costs $2 a pound while the pears cost $3 for a pound.
It costs $5.40 for 12 cans of fizzy water. What is the unit rate?
$0.45 for 1 can
What value of x makes these ratios equivalent?
6/10 = 18/x
What is 30
Are these ratios equivalent?
13/24 and 3/6
No
Write 9 limes to 4 lemons as a ratio in 3 different ways.
9:4, 9/4, 9 to 4
A rate is a comparison of two quantities written as a fraction. True or false?
True.
What are unit rates?
They are rates with a denominator of 1.
What value of x makes these ratios equivalent?
x/12 = 15/36
x = 5
Are these ratios equivalent?
12/32 and 24/64
Yes
There are 34 boys and 35 girls at the football game wearing hats. What is the ratio of girls to boys that were wearing hats?
35 : 34
Kami bought 3 lbs of apples for $1.80 and 2 lbs of oranges for $1.10. Which fruit cost less per pound?
The oranges are a better buy because they cost $0.55 per pound while the apples cost $0.60 per pound.
What is the unit rate if Bobby buys 4 movie tickets for $54?
$13.50 per ticket
What value of x makes these ratios equivalent?
3:7 = 15:x
x = 35.
Are these ratios equivalent?
18/22 and 36/66
No