EE. 1-4 & 6 Review Lesson

EE. 1-4 & 6

Review Lesson

Poll

Rate yourself.

How confident are you with algebraic expressions?

• 5

  I'm super confident

• 4

  I feel good about them

• 3

  Meh, I kinda get it

• 2

  I need to keep practicing

• 1

  I am completely lost

Order of Operations

Multiple Choice

10³ =

• 30

• 100

• 1000

• 3000

Multiple Choice

5³ =

• 15

• 25

• 75

• 125

Multiple Choice

True or False:

Addition ALWAYS comes before subtraction.

• True

• False

Multiple Choice

18 + (6 – 2) × 2

• 26

• 29

• 44

• 40

Multiple Choice

(15 ÷ 3)² + 9 ÷ 3

• 11

• 28

• 13

• 21

Parts of an Expression

Multiple Choice

A number with no variable attached is called a _____.

• coefficient

• constant

• variable

• term

Multiple Choice

A letter that represents a number is called a _____.

• variable

• coefficient

• constant

• term

Multiple Choice

Which is the coefficient in the expression 5n + 6 - 2?

• n

• 2

• 5

• 6

Multiple Choice

Identify the constant in the expression:

4y + 2 + x

• x

• y

• 4y

• 2

Multiple Choice

Identify the coefficient in the expression:

3x + 9

• 3

• y

• 9

• 3x

Multiple Choice

Identify a constant in the expression:

3x + 2y + 7

• 3

• 2y

• 7

• 2

Writing Algebraic Expressions

Multiple Choice

Which expression means the same as 12 more than a number?

• 12 + n

• n + 12

Multiple Choice

Which expression is the same as twice a number?

• 2 + b

• 2/b

• 2b

• b + 2

Multiple Choice

Which of the following expressions shows

7 subtracted from the sum of a number and 3?

• 7 - 3n

• 7n + 3

• n - 7 + 3

• (n + 3) -7

Multiple Choice

Which expression is the same as 9 more than 6 times a number?

• 6n + 9

• 9n + 6

• 6 + n + 9

• 6n x 9

Multiple Choice

Which expression is the same as 3 times the sum of a number and 6?

• 6n + 3

• 3(n+6)

• 6 + n x 3

• 3n x 6

Multiple Choice

I open a savings account with $200 and plan to put $50 per month in the account.

Which expression represents this situation after x number of months?

• 200 + 50x

• 200x + 50

• 200 + x + 50

• 12x(50 + 200)

Distributive & Combining Like Terms

Multiple Choice

Simplify the expression using distributive property:

8(5 + w)

• 40 + w

• 40+8w

• 85 + 8w

• 13+8w

Multiple Choice

distribute and combine the expression:

3(1 + 2x) + 7

• 16x

• 3+2x+7

• 2x +10

• 6x + 10

Multiple Choice

Simplify the expression by combining like terms:

7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

Multiple Choice

Factor this expression:

100x - 70

• 20(5x - 4)

• 10(10x + 7)

• 10(10x - 7)

• 10(x - 70)

Multiple Choice

Distribute:

5(a + 6)

• 5a + 6

• a + 30

• 5a + 30

• 5a - 30

Multiple Choice

Which expression is used to find the total area of the figure shown?

• 9 (10 + 7)

• 9 x 10 + 7

• (10 x 7) x 9

• 9 x 10 x 7

Solving Algebraic Expressions

Multiple Choice

if c = 2 and k = 7, solve:

5c + 7k

• 49

• 59

• 24

• 1

Multiple Choice

if a = 4, solve:

2(a+3)

• 14

• 11

• 7

• 12

Multiple Choice

if z = 4, solve:

z + 6z

• 40

• 10

• 28

• 9

Multiple Choice

if  $s$ = 1.5, solve:

 $3\cdot15s\ -\ 18$  

• 67.5

• 49.5

• 26.25

• 15.5