Units 1-6 math review

Unit 1 (Rational #'s)

100

23.8 + 1.26

25.06

200

18.7 divided by 1.1 

17

300

Change to an improper fraction

9 1/2 

19/2

400

change to a mixed number

23/4

5  3/4

500

3/4  divided by  1/4  

3

Unit 2 (Ratios/Rates

100

on a basketball team, there are 6 boys and 4 girls

write the ratio of girls to boys 3 different ways

4:6   4 to 6   4/6

200

find the unit rate

$21 for 3 oz. 

$7/1oz

300

what is 60% of 120?

72

400

what is 40% of 85

34

500

20% of the 25 students were boys.

how many students were girls?

20

Unit 3 (expressions)

100

find the value

4³

64

200

find the value

6⁴

1296

300

Evaluate

6² - (40/8) + 14 

45

400

simplify the expression

2(x + 8) 

2x + 16

500

solve when x=7

3x + 4 - x

18

Unit 4 (Equations)

100

find the value of the unknown variable 

26 + n = 90

n=64

200

find the value of the unknown variable

3n = 39

n=13

300

solve and graph the inequality 

5n> 10

n>2

(open dot, arrow to the right)

400

solve and graph the inequality 

9x < 45

x<5

(open dot arrow to the left)

500

john spent 40 dollars on 5 shirts.

how much did each shirt cost?

write and equation and solve

5s=40

s=8

Unit 5&6 (geometry/stats)

100

find the area of a rectangle with a base of 10 and a height of 19

190 units squared

200

find the area of a triangle with a base of 4 inches, a height of 6 inches and a side length of 5 inches.

12 inches squared

300

find the volume of a rectangular prism with a length of 4, a width of 6 and a height of 2.

48 units cubed

400

find the mean from the set of data

4, 5, 12, 1, 8, 3, 7, 0

mean = 5

500

find the median from the set of data

4, 5, 12, 1, 8, 3, 7, 0

mean = 4.5