Algebra Skills 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)

24

400

 

What is 45?

500

What is 30?

Solve

100

x - 5 + 10 = 64

x= ?

59

200

0.3m = 12

What is 40?

300

2.5x = -60

-24

400

-(-)-3=

-3

500

x - 0.9x = 7

What is 70?

Distribute

100

8(4+2) = ?

What is 48?

200

-5(x-3)

What is -5x+15?

300

What is 2(10 - 3 + 25)?

64

400

3(-x-10)

What is -3x-30?

500

x + 10 + 6(x-3x) +4

What is -11x+14?

Evaluate

100

For a = 2, b = 3, c= 4, and d= 12

19 - d + a

9

200

For a = 2, b = 3, c= 4, and d= 12

d - c + 6

What is 14?

300

For a = 2, b = 3, c= 4, and d= 12

a(d - b)

What is 18?

400

For a = 2, b = 3, c= 4, and d= 12

5a - 2c

What is 4?

500

For a = 2, b = 3, c= 4, and d= 12

b(d + ac)

What is 60