7th Grade Math Final Exam Study Guide #4

DECIMALS AND PERCENTS (Write each decimal as a percent)

100

0.06

What is 6%?

200

0.13

What is 13%?

300

0.5

What is 50%?

400

0.74

What is 74%?

500

0.92

What is 92%

FRACTIONS AND PERCENTS (Write each fraction as a percent)

100

7/10

What is 70%?

200

6/50

What is 12%?

300

13/20

What is 65%?

400

30/50

What is 60%?

500

7/20

What is 35%?

MULTIPLYING/DIVIDING FRACTIONS

100

1/2 x 4/5

What is 4/10 or 2/5?

200

1/9 X 3/5

What is 3/45 or 1/15?

300

15/24 x 3/20

What is 45/480 or 3/32?

400

1/6 divided by 1/5

What is 5/6?

500

5 divided 3/5

What is 25/3 or 8 1/3?

CIRCUMFERENCE C = 3.14d (Round to the nearest tenth)

100

The radius of a circle is 6ft. 

What is 37.7ft?

200

The diameter of a circle is 20cm.

What is 62.8cm?

300

The radius of a circle is 5m.

What is 31.4m?

400

The diameter of a circle is 7.5in.

What is 23.6in?

500

The radius of a circle is 17.25mi.

What is 108.3mi?

AREA OF CIRCLES A=3.14r^2(Round to the nearest tenth)

100

The radius of a circle is 7in.

What is 153.9 square inches?

200

The diameter of a circle is 25mm.

What is 490.6 square mm?

300

The radius of a circle is 12ft.

What is 452.2 square feet?

400

The radius of a circle is 50.25cm.

What is 7,928.7 square cm?

500

The diameter of a circle is 145.38m.

What is 16,591.2 square m?