8th Grade Math

Number Sense

100

Compute: ⅓ x 1½

1/2

200

Write in scientific notation:

0.000427

4.27 x 10^-4

300

What is 5⁰

1

400

What is bigger, 0.88 or 3/4?

0.88

500

What is 42,500 written in scientific notation?

4.25  x  10⁴

Equations

100

What is the slope of the line represented by the equation below? 

2y = x + 6

1/2

200

Is the ordered pair (3,7) a solution to the system?

4x+3y=33
-2x-y= -13

Yes

300

Sarah & Jacob compared their total bowling scores. Sarah's total score was 109 points greater than Jacob's total score. Write an expression that represents Jacob's total score based on S, Sarah's total score.

S - 109

400

At her job, Alexa is paid $12.00 per hour. When she drives her car for work she is paid an additional 32.5 cents per mile. The following expression can be used to find the amount she is paid, in dollars, when she works h hours and drives m miles in her car: 12 h + 0.325m How much is Alexa paid when she works 3.5 hours and drives 218 miles in her car?

$112.85

500

What is the point slope form of a line that has a slope of -3 and goes through the point (4,5)

y-5= -3(x-4)

Geometry

100

What is the volume of a rectangular prism that has a height of 6 cm, a length of 12 cm, and a width of 11.5 cm.

828 cubic cm

200

What is the area of a circle that has a diameter of 20 inches?

314 square inches

300

The area of a square is 49 square inches. What is the length of one side of the square?

7 inches

400

John knows two of the angle measures of triangle PQR. Angle Q is 75 degrees and angle R is 51 degrees. What is the measure of angle P?

54 degrees

500

A shipping box is in the shape of a rectangular prism. It has a length of 12 inches. A width of 6 inches and its volume is 288 cubic inches. What is the height, in inches, of the shipping box?

4 inches

Functions

100

A function is a special type of relation where every ___ value has exactly one output, or ___ value.

x and y

200

Determine if the following relation is a function:

{(9, 0), (3, 0), (2, 2), (-3, -4)}

The relation IS a function

300

Is the following equation Linear or Nonlinear:

 4y=3x+6

Linear

400

The domain of the relation {(1,0), (-2, 3), (3, 4)} would be:

{1, -2, 4}

500

Write the range of this relation: {(8,7), (-6, 3), (2, 0)}

{7, 3, 0}

Blast From the Past

100

(-17) + (-15)

-32

200

Simplify 24/32

3/4

300

(8-5+2)-(3x4)

-7

400

What is 12/25 as a decimal?

0.48

500

What is the mode of the following data set: 7, 13, 18, 24, 9, 3, 18

18