Math Ch. 5,6,7,11 Final Exam Review

Number Patterns & Fractions

100

List all the factors of 12.

1,2,3,4,6,12

200

Write the prime factorization of 96.

2⁵ x 3

300

Find the GCF of 12 and 28.

4

400

Find the LCM of 6 and 21.

42

500

A spoon is six and five sixths inches long. Write the number as a mixed number and as a decimal. 

6 5/6 

6.83 (repeating the 3)

Addition and Subtraction of Fractions

100

Round the fractions to 0, 1/2, or 1.

8/14=

9/11=

2 1/7=

1/2

1

2

200

Estimate the sum and difference.

8/9 + 3/4 =

3 1/8 - 1 1/10=

2

2

300

Add and subtract.

3/8 + 1/2=

11/15 - 3/5=

7/8

2/15

400

Add and subtract.

3 1/5 + 1 2/3=

8 1/12 - 5 2/9= 

4 13/15

2 31/36

500

You studies Saturday for 2 hours and 17 minutes. On Sunday, you studied for 1 hour and 46 minutes. How much time did you spend studying during the weekend?

4 hrs 3 min

Multiplying and Dividing Fractions

100

23 X 5/8

15

200

9/15 divided by 3/5

1

300

Find the area of a rectangle with a length of 6 2/5 cm and a width of 2 1/4 cm. 

14 2/5 cm²

400

2 1/2 mi = _____ ft

13,200 ft.

500

6 qt = _____ gal

1 1/2 gal

Ratios, Proportions, and Percents

100

Write the unit rate.

$18/3 hr.

6$/1 hr.

200

The scale of a drawing is 3 cm:5 m. Find the unknown measure. 

length of object = 30 m; length of scale drawing = ?

18 cm

300

Write the percent as a decimal and as a fraction in simplest form.

32%

0.32

8/25

400

Find the percent of the number.

40% of 35

14

500

You are buying a pair shoes that cost $36 normally, but are on sale for 15% off. How much will you pay for the shoes?

$30.60

Integers

100

How would you write 25 feet below sea level?

-25 ft

200

7 + (-3)

4

300

-15 - 17

-32

400

6 (-12)

-72

500

-45 divided by -9

5