Pre-Algebra/ELL Final Review

Percents

100

Estimate the percent of 15 out of 70

21

200

What percent of 90 is 15?

17

300

Express 0.8% as a decimal

.008

400

Express 3/5 as a percent

60%

500

Express 0.8% as a fraction in simplest form

1/125

Equations/Proportions

100

Choose the pair that is proportional:

a. 3/7, 2/5

b. 4/9, 5/11

c. 2/5, 10/25

d. 7/8, 5/6

c

200

Solve x/8 = 5/12

x=10/3

300

Find the sixth term 1,5,9,....

21

400

Solve x - 3/4 = 5/6

x= 19/12

500

Solve -33=5y-6-2y

y=-9

Statistics

100

Find the mode: 43, 45, 41, 40, 47, 43

43

200

What is the median temperature from the study guide?

35

300

What it the upper quartile for the temperature box plot on the study guide

40

400

Find the IQR: 45, 25, 60, 35, 20, 40, and 55

30

500

Four coins are tossed.  How many outcomes are possible?

16

Fractions

100

Find 17/27 - 10/27

7/27

200

Write 25 out of 175 as a fraction in simplest form

1/7

300

What is 3/5 * 2/7

6/35

400

Find the sum of 2 4/8 and 2/8 in simplest form

2 3/4

500

Josefina pays $9.20 for 6 pounds of apples.  Express this ratio as a unit rate.

$1.53

Geometry

100

What is the area of a parallelogram with a base of 7m and a height of 5m?

35 m^2

200

Find the area of a triangle with a base of 12 ft and a height of 5 ft.

30 ft ^2

300

What is the area of a patio plan that is 9 inches wide and 12 inches long?

108 in^2

400

What is the area of a patio that is 27 ft wide and 36 ft long?

972 ft^2

500

If a plan for a patio is 9 in by 12 in, and 1 in=3ft, what are the dimensions of the actual patio?

27 ft by 36 ft