Unit 4 Lesson 17

Relearning Unit 4 21-22 u4

by Lynn Rohlfing

Multiple Choice

$$5+18\div6$$  

• 2

• 10

• 8

• 4

Multiple Choice

$$6^2-3\cdot4$$  

• 20

• 26

• 24

• 30

Multiple Choice

$$100\ \div5^2$$  

• 25

• 10

• 4

Multiple Choice

$$5\ +\ 5^2\ +\ 6\ \cdot\ 2$$  

• 72

• 20

• 42

• 12

5 + x

• ​five more than x

• ​the sum of 5 and x

​5x

• ​the product of 5 and x

• ​5 groups of x

• ​5 times x

5 - x

• ​x less than 5

• ​the difference of 5 and x

• ​5 minus x

• ​5 decreased by x

Multiple Choice

w increased by 5

• w - 5

• 5w

• w + 5

Multiple Choice

m plus the product of 6 and n 

• m + 6n

• m - 6 + n

• 6m + n

Multiple Choice

6 less than x

• 6 - x

• x - 6

• 6x

Multiple Choice

n - 9

• Take n away from 9

• 9 less than a number

• The sum of n and 9

​Translate words to Math

​Your buy c cokes for $1.25 and p pizzas for $5. What is the total cost?

​

​

​1.25c + 5p

Multiple Choice

Which situation can represent 15 + 2x

• $15 to enter a play and $2 for every box of popcorn you buy.

• $15 for every A you get on your report card and $2 for every B

• It costs $2 to get 15 yo-yos

Multiple Choice

Which situation could represent 100 - 5x

• A park can hold 5 groups of 100 people

• Beginning a game with 100 points and losing 5 points every time you roll doubles.

• There are 100 people on the football team and 5 people join every other day

Multiple Choice

12x + y is used to find the height of a person in inches, where x is the number of feet and y is the number of inches. How many inches tall is someone that is 5 ft. 2 in?

• 52

• 62

• 66

• 72

Multiple Choice

A video game costs $15 to rent plus $2 for each hour the game is used. How much would it cost to rent the video game for five hours?

• $10

• $25

• $85

• $77

​Substitutions:

​Plug in the value, then follow Order of Operations

If the SIDE of a CUBE is 4", find the volume of the cube (V=s³)

4³

4 x 4 x 4

64

Multiple Choice

The side of a cube is 3". Find the volume of the cube.(V=s³)

• 27

• 9

• 18

A rectangular prism is 2" long, 3" wide and 5" tall. Find its Volume (V = l · w · h)

2 x 3 x 5

30

Multiple Choice

Use the formula to find the volume of a prism with length of 10 inches, width of 2.5 inches, and a height of 7 inches. (V = l · w · h)

• 175 cubic inches

• 250 cubic inches

• 19.5 cubic inches

The formula for finding the Surface Area of a cube is  SA= 6s² , where s is the length of one side of the cube. 

If the side of a cube is 5 in, find its Surface Area. (SA= 6s²)

6 x 5²

6 x 25

150 square in

Multiple Choice

If the side of a cube is 4 in, find its Surface Area. (SA= 6s²)

• 16 sq in

• 48 sq in

• 96 sq in

• 4096 sq in

Multiple Choice

If the side of a cube is 3 in, find its Surface Area. (SA= 6s²)

• 18 sq in

• 54 sq in

• 36 sq in

• 136 sq in

Multiple Choice

Find the surface area of a cube with a side length of 7 mm. (SA = 6s²)

• 84 square mm

• 294 square mm

• 1764 square mm

• 134 square mm

Multiple Choice

Which expression is

equivalent to

5(a + 2)

• 5a + 2

• a + 10

• 5a + 10

• 5a+ 5

Multiple Choice

Which expression is equivalent to

4(2 + y)

• 8 + y

• 42y

• 8 + 4y

• 2 + 4y

Multiple Choice

Choose an expression equivalent to:

2z + 8

USE YOUR ANSWER CHOICES

• 2(z + 4)

• 2(z + 8)

• 2(z - 4)

Multiple Choice

Which expression is equivalent to

3x + 6

USE YOUR ANSWER CHOICES

• 3(x + 2)

• 3(x + 6)

• 6(x+1)

Combine Like Terms Introduction

"Clean Up Expressions"

Multiple Choice

What is the coefficient?

12 x + 8

• 8

• 12x

• 12

• x

Multiple Choice

What is the coefficient?

5 + 3y

• 5

• 3

• y

• 3y

Multiple Choice

Simplify the expression: y + y + y + 5

• 5y

• 5y + 3

• 3y + 5

• 5y + 5

Multiple Choice

x + x + x + x - 6

• 10x

• 4x - 6

• -6x

• 4 + x - 6