Math 8 Review

Algebraic Equations

100

Solve for X: 

X + 8 = 25

x=17

200

Solve for X: 

X-3=10

X=13

300

Solve for X: 

4x=28

X=7

400

Solve for X: 

X=40

500

Solve for X:

2x + 5 = 17

X=6

Indices

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

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

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:

3⁴

81

500

What is the value of:

2³ + 3² - 4²

3

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

Order of Operations

100

Simplify the following expression:

62

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

200

Simplify the following expression:

5

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

300

3 + 4² x (3 + 2)

83

400

45

500

12

Mixed Bag

100

When was Blackfriars founded?

1953

200

What is the only food that does not spoil?

Honey

300

BONUS TIME

300 points

400

There are three bags of apples with 14 on the floor. Whats the formula for the amount of apples?

3X + 14

500

Who is the current Prime Minister?

Anthony Albanese

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

Adding Like Terms

100

Simplify: 

2x + 8x=

10x

200

Simplify: 

4x + 2x -8x

-2x

300

Simplify: 

-3x + 2x +5 -2

-x + 3

400

Simplify: 

-4x +2x -6 +3

-2x-3

500

Simplify: 

-2(x + 4) + 5x

-8 + 3x