GCF
Unit Rates
Percentages
LCF
Ratios
100

What is the GCF of 16 and 36?

4

100

What is a unit rate and how do you find it?

per 1 of something. Divide

100

20% of 180

36

100

What is the LCM of 3 and 7?

21

100

In a drawing, there are three circles, four stars, and three triangles. What is the ratio of stars to the total number of shapes.

4/10 or 2/5

200

What is the  GCF of 12 and 15?

3

200

If your heart beats 180 times in 3 minutes what is the rate in beats per minute?

60 beats per minute

200

48% of 725

348

200

What is the least common multiple of 4 and 9?

36

200

Lil blew up 7 balloons. Kathy blew up 5 balloons. What is the ratio of total balloons to Kathy's balloons?

12 to 5 or 12:5

300

What is the GCF of 20 and 24?

4

300

There are 1,332 calories in a bag of Doritos. If there are 9 servings, how many calories are there per serving?

148 calories per serving

300

90% of 1,350


1,215

300
What is the LCM of 2,3, and 5?

30

300

Paul used 6 black tiles and 12 white tiles for a pattern. What is the ratio of black tiles to white tiles?

1to2 1:2 or 6to12 6:12

400

What is the GCF of 50,35, and 15

5

400

If you drive 450 miles in 6 hours, how fast were you driving?

75 miles per hour

400

4% of 200

8

400

What is the LCM of 20 and 12?

60

400

There are 10 rabbits in a cage. The ratio of white rabbits to grey rabbits is 3:7. How many white rabbits are in the cage?

3 white rabbits

500

What is the GCF of 64 and 80

16

500

If  you spend $8.22 on 6 pounds of apples, what is the unit rate per pound?

$1.37 per pound

500

150% of 220

330

500

What is the LCM of 21 and 24?

168

500

Ivy's Fresh Eggs transports its eggs in crates. It takes 2 trucks to carry 80 crates. What is the number of crates that 8 trucks can carry.

320 Crates

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