Ratios, Unit Rate, and Proportions (5 & 6th Grade)

Ratios

100

A ratio is a ___________ between two or more numbers.

Relationship or Comparison

200

Write 11 limes to 6 lemons as a ratio in 3 ways.

11:6, 11/6, 11 to 6

300

What is another word for "equivalent"?

Proportional

400

There are 34 boys and 35 girls in the 5th grade at the Swanson School for Short Stops. If 14 of the boys were wearing hats, and 23 girls were not wearing hats, what is the ratio of girls to boys that were not wearing hats?

What is 23:20?

500

What two operations will produce equivalent ratios?
A. Adding

B. Subtracting

C. Multiplying

D. Dividing

What is C, D Multiplying and Dividing

Ratios This / That

100

For every 4 hot dogs, 5 sodas are sold. What is the ratio of sodas to hot dogs sold? Give 3 equivalent (proportional) ratios.

5 to 4

200

All ratios are actual fractions that show a part of a whole. True or False?

False: All fractions ARE Part-to-Whole ratios, but Part-to-Part ratios are not fractions.

300

There are 3 pineapples and 5 bananas. What is the ratio of bananas to total fruit?

5:8

400

What are unit rates?

They are rates per one unit.

500

Write 3 equivalent ratios.

Answers will vary, must be confirmed by opposing player (if playing against someone)

Equivalent or Not?

100

2/3 and 4/6

Yes scaling up by a factor of 2. 2x2=4 and 3x2=6

200

1/6 and 2/7

Not Proportional Using a scale factor of 2, 1x2= 2 6x2= 12 (not equivalent to 7)

300

6/8 and 9/12

Yes 6/8= 3/4 9/12= 3/4

400

5/10 and 4/8

yes 5/10 = 1/2 4/8= 1/2

500

9/20 and 3/10

Not proportional, 20 scales down by 2 to 10, but 9 divided by 2 is not 3.

Solving equivalent ratios

100

What value of x makes these ratios equivalent?
x:6 = 6:9

What is 4

200

What value of x makes these ratios equivalent?
x/12 = 9/36

What is 3

300

What value of x makes these ratios equivalent?
x/6 = 8/12

What is 4

400

What value of x makes these ratios equivalent?
6/10 = 18/x

What is 30

500

What value of x makes these ratios equivalent?
3:8 = 15:x

What is 40.

Random

100

 3/4 as a decimal

What is 0.75

200

0.49 as a fraction

What is

49 / 100?

300

73% as a decimal

What is 0.73?

400

75 percent as a decimal 

What is 0.75?

500

7 out of 10 = what percent?

What is 70 per cent?

Percentages

100

Percent means of what number? 

100

200

When converting a decimal to a percent, you must move the decimal _______ spaces to the right. 

2

300

When converting a percent to a decimal, you must move the decimal ______ spaces to the left. 

2

400

What is  5/15 written as a percent? 

33.bar3 %

500

40 / 100 = what percent?

40%