7th Grade Core 1

Division

100

12 ÷ 2

6

200

18 ÷ 6

3

300

70 ÷ 5

14

400

168 ÷ 2

84

500

320 ÷ 5

64

Multi-Digit Multiplication

100

10 x 10

100

200

12 x 14

160

300

22 x 15

330

400

35 x 24

840

500

64 x 35

2,240

Percents

100

What is 50% of 20?

10

200

What is 10% of 30

3

300

What is 40% of 10

4

400

10 is what percent of 40

25%

500

What does the "CENT" mean in perCENT?

100

Ratios/Proportions

100

There are 4 frogs and 100 flies in a large aquarium. What is the ratio of flies to frogs?

100:4, 100 to 4, 100/4, or 25 to 1

200

A classroom library has 8 storybooks and 12 picture books.

What is the ratio of storybooks to the total number of books?

8 to 20, 8:20, 8/20 or 2 to 5, 2:5, 2/5

300

If there are 12 boys and 19 girls in a school bus, what is the ratio of boys to girls? Write the ratio in three different ways.

12:19, 12 to 19, 12/19

400

A fruit basket has apple slices and orange slices. The ratio of apple slices to orange slices is 1 to 1 (1 : 1).

If there are 10 slices in total, how many are apple slices?

5

500

A bakery sells blueberry muffins and chocolate chip muffins. The ratio of blueberry muffins to chocolate chip muffins in a box is 3 to 2 (3 : 2).

If the box contains a total of 20 muffins, how many of them are blueberry muffins?

12 blueberry muffins

Fractions

100

What is the numerator of 5/12?

5

200

What is the denominator of 3/80?

80

300

Which is larger, 4/8 or 2/3?

2/3

400

What is 3/6 + 2/6?

5/6

500

List the following fractions in order from least to greatest. 

1/2, 1/4, 9/10, 2/5

1/4, 2/5, 1/2, 9/10