Grade 8 Math Review

8th Grade Math 1

100

What is 1,0000⁰

1

200

What is slope intercept formula?

y=mx+b

300

Write the number below in standard notation

.000452

4.52 x 10^-4

400

Write 5.76 10⁴  in standard form

57,600

500

What is 81 x 54?

4,374

8th Grade Math 2

100

3x+1=13

x=4

200

(−7) + (−6) =

−13

300

612,532 + 44,622

657,154

400

1/2 + 1/3 =

3/6 + 2/6 = 

5/6

500

Simplify: 

4x − 3y − 9x + 5y

−5x + 2y

8th Grade Math 3

100

y=mx+b, what part of the formula is the slope?

m

200

-5+7

2

300

Simplify:

-5x+2x-y

-3x-y

400

What is 210 divided by 5?

42

500

1/2 ÷ 1/4 =

1/2 * 4/1 =

4/2 =

2

8th Grade Math 4

100

All the angles in a triangle should add up to what degrees?

180 degrees

200

Solve: 7²

49

300

How do you find the slope of a line?

Rise over Run or change in y over the change in x.

400

Solve for a

7a - 9a = -20

a = 10

500

What is the length of the hypotenuse when the legs are 3 and 4

a²+ b² = c²

3² + 4² = c²

9 + 16 =25

c = 5

8th Grade Math 5

100

(−3) ∗ (−11) =

33

200

What is the slope of y=7x+12

7

300

What is the angle measure of a straight line?

180 degrees

400

Simplify:

x³ * x⁵ ÷ x²

x⁶

500

Simplify

(x³ * x⁵ )²

X¹⁶