GCF
LCM
%
Unit Rate
Ratios
100

What is the GCF of 6 and 12?

100
What is the LCM of 7 and 21
21
100

What is 50% of 300

150 

100
If 3 pieces of candy cost $7.32 how much would 5 pieces cost? 

$12.20

100

The ratio of tomatoes to red apples is 2:5. If there are 20 tomatoes, how many red apples are there?

50 red apples

200

What is the GCF of 10 and 35

5

200

What is the LCM of 4 and 3

12

200

What is 75% of 250 

187.50

200

If a dog eats 3 cans of food in 10 min, how many cans could the dog eat in 15 min

4.5 cans of food 

200

The ratio of blueberries to strawberries is 1:7. If there are 210 strawberries, how many blueberries are there.

30 blueberries 

300

What is the GCF of 18 and 66

6

300
What is the LCM of 12 and 8 

24

300

What is 7% of 50 

3.5

300

If I can type 300 words per min, how many words could I type in 3.5 min?

1,050 words 

300

The ratio of bananas to melons is 30:1 If there are 300 bananas, how many melons are there?

10 melons

400

What is the GCF of 80 and 50

10 

400

What is the LCM 5 and 2

10 

400

What is 80% of 32 

25.6

400

If Mr. T gives 5 lunch detentions every 10 minutes, how many lunch detentions would he give in 85 minutes

42.5 Lunch Detentions

400

The ratio of pears to green apples is 1:3. If there are 150 green apples, how many pears are there?

50 pears 

500

What is the GCF of 72 and 96 

24

500

What is the LCM of 6 and 30 

30 

500
What is 17% of 17 

2.89

500

If I can throw out 6 students every 3 min in the kickball game, how many student will I be able to throw out in 40 min?

80 Students 

500

The ratio of berries to oranges is 10:1. If there are 25 oranges, how many berries are there?

250 berries 

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