NJSLA Review

Integers

100

Find -3 + 7 + (-5)

-1

200

Find: (3/5) - (4/5)

- 1/5

300

Multiply: 

- 6 x (2/3)

-4

400

Find the absolute value of (-12)

12

500

Find the following:

- 8 - (-5) - 9 + (-7)

-19

Equations

100

Solve: 

x - 5 = 9

x = 9

200

Solve:

2(x + 4) = 16

x=4

300

Solve: 

3x - 7 = 2x + 5

x = 12

400

Solve: 

(x/4) + 2 = 6

x = 16

500

Solve and graph:

-2x - 3 > 5

x < -4 

See board for graph

Ratios and Percents

100

Write 3:5 as a fraction

(3/5)

200

Find the unit rate: $12 for 3 pens

$4 per pen

300

Find 25% of 160

40

400

Sweater $40 after 20% off — find original price

$50 

500

Solve: 

(5/7) = (x/14)

x = 10

Geometry

100

Find the area of a rectangle with a length of 5 inches and width of 7 inches

35 inches²

200

Find:

Surface area of cube  when each side  measures 3 feet

54 ft²

300

Find the volume of a cone with a radius of 3cm and height of 9cm

84.78 cm³

400

Find volume of a cylinder with radius of 3 cm and height of 5 cm

141.3 cm³

500

Find the volume of a sphere with diameter of 9 inches

268.1 inches³

Probability/Graphs

100

Find the Slope through the points (0,2) and (4,6)

m = 1

200

Find the slope of the following two points: (-8,4) and (6,-6)

m = (-5/7)

300

You flip a coin twice, what is the probability of flipping two heads?

1/4 

400

What is the mean of the following numbers?

8 , 10, 12, 16, 9

11

500

A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles.

If you randomly select two marbles without replacement, what is the probability that both marbles are green?

(2/9)