8th Grade Math

Irrational Numbers

100

Is 3/4 rational or irrational?

Rational

200

Is 5.674674 rational or irrational?

Irrational

300

Is π rational or irrational?

Irrational

400

Is 5.26 rational or irrational?

Rational 

500

Is 6.66 rational or irrational?

Rational

Exponents

100

What is b^a x b^c

b^a+c

200

What is (x^a)^b

x^ab

300

What is x^a/x^b

x^a-b

400

What is x^-a

1/x^a

500

What is x⁰

1

Scientific Notation

100

What is 2.35 x 10⁵

235,000

200

What is 5.89 x 10⁶

5,890,000

300

What is 876,450,000,000 in scientific notation

8.7645 x 10¹¹

400

What is 888 in scientific notation

8.88 x 10²

500

What is 6.6 x 10²⁰

660,000,000,000,000,000,000

Equations

100

What is -90=6-8(p+5)

p=7

200

What is -245=7(-4p-7)

p=7

300

What is -8(v-7)=120

v=-8

400

What is -3(-5r+2)=114

r=8

500

What is -5k-7(k-7)=97

k=-4

Square and Cubed Roots

100

What is 3√729

9

200

What is √9

3

300

What is 3√27

3

400

What is √64

8

500

What is 3√512

8