Algebra Review

Absolute Value

100

Find the absolute value of:

|-10|

Absolute value is the distance from zero.

 10

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-abs-value/v/absolute-value-of-integers

200

What is greater:

|-6| or |3|

The absolute value of a number is the number's distance from zero.

l-6 l

300

Place the following in order from smallest number, to biggest number:

|-20|, 18, |12|, |-14|, 8

 8, l 12 l, l -14 l, 18, l-20 l

The absolute value of a number is the number's distance from zero.

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-abs-value/v/absolute-value-of-integers

400

What is:

|-7| + |-2|

The absolute value of a number is the number's distance from zero.

 l -9 l

500

2 x |-5| + |4| - 14

Remember to use your order of operations.

 0

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

Base and exponent

200

How can you rewrite 9² in expanded form?

 9x9

300

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

7 with an exponent of 5

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

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

 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 

 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

5

300

3 + 4² * (3 + 2)

83

400

 

 45

500

 30

Solve

100

x - 5x = 64

 x = -16

200

-0.3m = -12

40

300

2.5x = -60

 -24

400

x - (-3) = 5

 2

500

x - 0.9x = 7

70

Distributive Property

100

8(4+2) = ?

 48

200

5(x-3)

 5x-15

300

7+9(2x-3)

18x-20

400

-3(-x-10)

 3x+30?

500

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

13x+14?

Evaluate

100

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

19 - d

 7

200

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

d - c + 6

14

300

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

a(d - b)

 18

400

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

5a - 2c

2

500

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

d + ac

 20