8th Grade Math Standards

Probability

Equations

Mixed Skills

Exponents

Pythagorean Theorem

100

What is the probability of flipping a coin and landing on "tails" and spinning a spinner with A, B, C, D on it and landing on "B"?

1/2 x 1/4 = 1/8

100

1/3x = 7

x = 21

100

Does the scatterplot have a positive, negative, or no association?

negative association

100

9^0 =

100

Which side is the hypotenuse? a, b, or c?

200

A marble was pulled from a bag and not put back, then another marble was pulled. Are those independent or dependent events?

Dependent

200

-2x + 7 = 15

x = -4

200

Write the linear equation for this pattern.

y = 2x + 3

200

Rewrite this so there are no negative exponents.

x^-2y^-1

1/(x^2y)

200

Do the following lengths form a right triangle?

a = 6.4, b = 12, c = 12.2

300

If a bag contained 3 red, 4 yellow, 2 blue, and 3 green marbles, what is the probability of picking one yellow, putting it back, then picking one green marble? Reduce your answer to simplest form.

4/12 x 3/12 =12/144 = 1/12

300

3(u + 1) + 1 = 10

u = 2

300

Convert to a fraction. Simplify your answer.

72/99 = 8/11

300

Simplify.

(6x^4y^5)/(3xy^2)

2x³y³

300

Find the length of the missing side. Round your answer to the nearest tenth.

6.3

400

A sub sandwich shop has 5 kinds of meats, 8 vegetable toppings, and 4 types of bread. How many combinations of sandwiches could they make?

5 x 8 x 4 = 160

400

-5x + 7 + 3x = 2x + 3 + 4

Infinite Solutions

400

Find the solution to this system of equations.

(3,-2)

400

(2x⁵y³z⁷)³

8x¹⁵y⁹z²¹

400

A 4 m ladder leans against a building.  If the bottom of the ladder is 1.3 m from the bottom of the building, how far up the wall will the ladder reach?  Round your answer to one decimal place.

3.8 m

500

If you needed to create a 5-digit zip code and the 1st or second number could not be 0, how many combinations are possible?

9x9x10x10x10 = 81,000 combinations

500

Solve for x.

1/2x = 2(1/2x - 3)

x = 12

500

Find the volume of the cone below.

V = Bh