MATH REVIEW 8th Grade

7th Grade Math Review

100

What is 6x7?

42

200

Solve for x: x-5 = 12

x = 17

300

Find the area of a triangle with a base of 10 and height of 6

30 units²

400

What is 40% of 50?

20

500

A proportional graph must pass through what point on a coordinate plane?

Origin

Integer Exponents & Scientific Notation

100

2^{3 = ?}

8

200

5^{0 = ?}

1

300

Simplify 3² x 3⁴

3⁶   -or-   729

400

Write 0.00045 in scientific notation

4.5 x 10^-4

500

Simplify 6⁵/6²

6³   -or-   216

Expressions and Equations

100

x+6 = 13

x = 7

200

Solve for x: 2x-4 = 10

7

300

Simplify 4x + 3x

7x

400

Simplify 5(2x+1)

10x + 5

500

Solve for x: 3(x-2)+4 = 19

x = 7

Rigid Motions

100

What transformation slides a figure without turning it?

Translation

200

What transformation flips a figure over a line? 

Reflection

300

What transformation turns a figure around a point?

Rotation

400

A given shape is the exact reduction of the original shape. Are both shapes congruent?

Yes

500

Name all rigid motions that preserve size, shape, and angle measure?

translations, reflections, and rotations

Linear Equations

100

What is the slope in y=3x+2?

3

200

What is the y-intercept in y=−2x+5

5

300

Solve: y=2x+1 when x=4

9

400

Write the equation of a line with slope 2 and y-intercept -3.

y = 2x-3

500

Find the slope between (1,2) and (3,6).

2