Unit 4 Review (L25-L32)

Areas

100

Use the difference of areas to find the area of figure A.

56 cm²

200

Use the difference of areas to find the area of figure B.

175 ft²

300

Find the area of triangle A.

6 ft²

400

Use the difference of areas to find the area of figure C.

28 ft²

500

Find the area of triangle C.

40 ft²

Mean, Median, Mode

100

Find the range of the numbers 9, 8, 2, 4, 5, 4, 6

7

200

Find the mode of the numbers 9, 8, 2, 4, 5, 4, 6.

4

300

Find the median of the numbers 9, 8, 2, 4, 5, 4, 6.

5

400

Find the mean of the numbers 9, 8, 2, 4, 5, 4, 6.

5 3/7 = 5.43

500

The height of the first of the three buildings was 420 ft.  The height of the second building was 380 ft.  What was the height of the third building if the mean height of the three buildings was 430 ft?

490 ft

Improper Fractions and Mixed Numbers

100

Convert to an improper fraction:  6 7/8

55/8

200

Convert to a mixed number:  14/3

4 2/3

300

Convert to a mixed number: 23/5

4 3/5

400

Write 157 1/6 as a decimal number rounded to two decimal places.

157.17

500

Write 5.09 as a mixed number.

5 9/100

+/- fractions

100

Simplify:  3/4  -  1/4

1/2

200

Simplify:   3/4  -  2/5

7/20

300

Simplify:  5/3  +  1/2  -  1/4

23/12

400

Simplify:  5/8  -  1/2  +  1/4

3/8

500

Simplify:  2/3  +  3/4  -  1/5

73/60

Order of Operations and variables and evaluation

100

Simplify:  4 + 3 x 6 - 2 x 3

16

200

Simplify:  2  +  3  x  6  -  4  x  3

8

300

FREEBIE!!!!!!

YES!

400

Evaluate:  xy  +  yx

if x=2  and  y=4

16

500

Evaluate:  mpx  +  mx

if x=3,  p=4,  and  m=6

90