Algebra Review

Integers

100

-4 + -5

 -9

200

14 + -12

2

300

-10 - 15

-25

400

-2 + -3 + 5

0

500

- 4 - (-10) + 12

18

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

Big number - base number

little number - exponent or power

200

How can you rewrite 9² in expanded form?

9 x 9

300

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

7⁵

400

What is the value of:

2⁴

16

500

What is the value of:

2³ + 3² - 4²

1

Order of Operations

100

Simplify the following expression:

66/3 + 10 * 4

62

200

Simplify the following expression:

3 xx 3 ÷ 9 + 4

5

300

3 + 4² * (3 + 2)

83

400

25 ÷ 5 xx (11 - 7) +5^2

45

500

3^3 + (5^2 - 4^2) ÷3

30

Substitution

100

Evaluate for when x = 8

4x - 2 

30

200

Evaluate for when m = 2 

18/m + m

11

300

Evaluate for p=-5

p + 7 * 3 

6

400

Evaluate for a = 3 and b = 4 

a - 3b + 2

- 7 

500

Evaluate for x = 3 

x² - 4x 

-3

2-steps

100

Solve for x

3x + 2 = 17

5

200

Solve for x

- 2x - 4 = 12

-8

300

Find x

x² - 5 = 11

4

400

x/3 - 11 = -5

18

500

sqrt(x+3) = 2

1

Random

100

What is full of holes but still holds water?

A sponge

200

Write an irrational number other than pi

pi

varies

300

What is full of keys but can't open any locks or doors?

a piano

400

If (x, y) is reflected across the y-axis, what are the new coordinates?

(-x, y)

500

I can travel around the world without ever leaving my corner. What am I?

A stamp