Pre Algebra Review

Exponents

100

When you see the following expression, what is the big number called and what is the little number on top of it called?

2⁴

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

What is base? What is exponent?

200

How can you rewrite 9² in expanded form?

What is 9x9?

300

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

What is 7^4?

400

What is the value of:

8⁴

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

What is 4,096?

500

What is the value of:

2³ + 3² - 4²

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

What is 1?

Order of Operations

100

Simplify the following expression:

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations 

What is 62?

200

Simplify the following expression:

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

What is 5?

300

3 + 4² * (3 + 2)

What is 95?

400

 

What is 45?

500

What is 30?

Solve

100

x - 5x = 64

What is x = -16

200

-0.3m = -12

What is 40?

300

2.5x = -60

What is -24

400

x - (-3) = 5

What is 2

500

x - 0.9x = 7

What is 70?

Inequalities

100

0 >  3x - 3 - 6

3 > x

200

4x + 1 − 1 ≥ −8

x ≥ -2

300

2p − 4p  ≤ −2

p ≥ 1

400

 0 ≤  2n  + 3n

0 ≤ n

500

3 − 2(n − 4) > −1

n < 6

Misc Review

100

Write the number in scientific notation

0.000006

6 x 10^-6

200

What is the square roots of the following numbers: 

1. 16

2. 121

3. 0

1. 4

2. 11

3. 0

300

(5x + 3)(3x +4)

15x^2 + 29x +12

400

(4x -5)(x-3)

4x^2 - 17x + 15

500

3x^2 +10x-8

(3x-2)(x+4)