Lesson 2 Assignment - Expressions

Match the following definitions.

• evaluate an algebraic expression

• A ____ is a letter used to represent a quantity that varies.

• constant

• To ____ means to determine the value of the expression.

• variable

• A(n) ____ is a number, or quantity, that a variable is multiplied by in an algebraic expression.

• coefficient

• A mathematical phrase involving at least one variable is called a(n) ____.

• algebraic expression

• A number, or quantity, that does not change its value is called a(n) ____ .

Write an algebraic expression to represent each situation.

A T-shirt costs $5.99.

a. How much will you spend if you buy x T-shirts? ​ (a)  

Evaluate your expression to calculate the amount of money you will spend if you buy 4 shirts or 10 shirts.

b. 4 shirts = ​ (b)  

c. 10 shirts = ​ (c)  

• 5.99x
• $23.96
• $59.90
• 5.99 + 1x
• $24
• $60
• $15.99
• $9.99

Write an algebraic expression to represent each situation.

You have 7 folders and you want to put the same number of pages in each folder.

a. If you have a total of p pages, how many pages will be in each folder?

b. Evaluate your expression to calculate the number of pages in each folder if you have 147 pages or

c. 245 pages.

a. ​ (a)  

b. 147 pages = ​ (b)  

c. 245 pages = ​ (c)  

• p/7
• 21
• 35
• p(7)
• 7/p
• p+7
• p-7
• 14
• 1,029
• 1,715

Write an algebraic expression to represent each situation.

You have a coupon for $5 off your total bill at Mama’s Meals on Main.

a. How much will you pay after using the coupon if your bill was b dollars? ​ (a)  

Evaluate your expression to calculate the amount you will pay if your bill was

b. $23.45 = ​ ​ (b)  

c. $54.83 = ​ ​ (c)  

• b - 5
• $18.45
• $49.83
• b + 5
• 5b
• $28.45
• $59.83

Write an algebraic expression to represent each situation.

You have already read two and a half hours for the Read-a-Thon.

a. How long will you have read if you read an additional h hours? ​ ​ (a)  

b. Evaluate your expression to calculate the amount of time you will have read if you read

3 additional hours = ​ (b)  

5 1/2 additional hours = ​ (c)   ​

• 2.5 + h
• 5.5 hours
• 8 hours
• 2.5 - h
• 2.5h
• 6.5 hours
• 7.5 hours

Match the algebraic expression that represents each verbal expression.

6 times a number plus 3 6. 4 times a number subtracted from 2 7. a number squared divided by 2 and then added to 16 8. 5 plus a number and then multiplied by 8

• 6x + 3

• 3 plus a number and then multiplied by 6

• (3 + x)6

• 6 times a number subtracted from 3

• 6 times a number plus 3

• 3 - 6x

• a number squared divided by 3 and then added to 6

What are the terms in the following algebraic expression?

6y + 14

• 6y, 14

• 6, y, 14

• 6

• 14

What are the terms in the following algebraic expression?

7x - 3y + 12z

• x, y, z

• 7, 3, 12

• 7x, 3y, 12z

What are the terms in the following algebraic expression?

104a + 224b

• a, b

• 104, 224

• 104a, 224b

• 10

• 9

• 11

• 29