Algebraic Expressions

John goes to the store to buy a RC car. The store is having a sale for 20% off the original price of RC cars. John also has a $5-off coupon he will use to buy the car. The expression below can be used to find his final price for a RC car with an original price of p dollars. 

 0.8p – 5 

The RC car John decides to buy has an original price of p = $95.50. What is the final price of the RC car John is buying?

• $6.25

• $472.25

• $66.40

• $71.40

Tags

algebraic expressions

Sally simplified the given expression. Identify her error.

• Sally added 10 plus 2 when she should have multiplied 2 and 9

• Sally subtracted 3 from 12 when she should have multiplied 2 and 12

• Sally multiplied 12 and 9 when she should have added 12 and 9

Tags

order of operations

Tom is planning to fence his rectangular garden. The length of the garden is 15 meters and the width is 10 meters. Which expression represents the perimeter of Tom's garden?

• 2(15) * 2(10)

• 15 + 10

• 15 * 10

• 2(15 + 10)

Tags

algebraic expressions

Organize these options into the right categories

Groups:

(a) Numerical Expression

,

(b) Algebraic Expression

,

(c) Algebraic Equation

,

(d) Numerical Equation

• [(3 * 2) + 2] = 8

• 2 + 3 - 1

• 2n -1 = 19

• 7c + 12

Tags

algebraic expressions

Organize these options into the right categories based on the given expression:

5n² + 3y - 18

Groups:

(a) Variable

,

(b) Exponent

,

(c) Coefficient

,

(d) Term

• 2

• 3

• 18

• 5

• 3y

• x

• 5n²

• y

Tags

algebraic expressions

A rectangle has a length of l meters and a width of w meters. Which expression represents the area of the rectangle?

• 2(l + w)

• l / w

• l * w

• l - w

Tags

algebraic expressions

Lisa is saving money for a new bike. The bike costs $200, and she has already saved $85. Which expression shows how much more money Lisa needs to save?

• 200 + 85

• 200 - 85

• 85 - 200

• 85 / 200

Tags

numerical expressions

Tanner saved $215 for school shopping. He buys three shirts at $30 each and 2 pairs of jeans at $60 each. His mom gives him $15 for helping his little brother. How much money does Tanner have at the end of his shopping spree.

• $20

• $15

• $5

• $140

Which of the following is an algebraic expression?

• 5c + 3

• 5c + 3 = 13

• 5 + 8 = 13

• 5 + 3

Kelly rides the bus to work d days each month. She pays a fare of $2.25 each time. On t of those days, she pays an additional fare of $0.75 to transfer onto another bus. The expression shown can be used to find her total cost for bus fare for the month.

d * 2.25 + t * 0.75.

Which statement explains how to find Kelly’s total bus fare for the month?

• First find the product of d and $2.25 and the product of t and $0.75. Then find the sum of products.

• First find the sum of d and $2.25 and the sum of t and $0.75. Then find the product of sums.

• First find the product of d and $2.25 and the sum of t and $0.75. Then find the sum of the product and sum.

• First find the product of d and $2.25 and the sum of t and $0.75. Then find the product of the product and sum.