Simplifying Expressions Word Problems

Margaret opened a new case of lightbulbs. The case contained 3 boxes of lightbulbs with 8 lightbulbs in each box. Margaret threw 2 of the lightbulbs in the trash because they were damaged. Then she took 7 lightbulbs out of the case. Which expression can be used to show that there are still 15 lightbulbs in the case? Solve each expression to check.

• 3 x 8 - 2 + 7

• (3 x 8) - (2 x 7)

• 3 x 8 - (2 + 7)

• 3 + 8 - 2 + 7

Mrs. Salpietro has 8x+7 feet of rope for a project she is making. But she needs another 15 feet still. How much rope will she have total for her project?

• 8x+22 feet

• 23x + 7 feet

• 30x feet

• 30 feet

Create an expression to represent the following word problem.

The difference of h and 9 divided by 3.

• h - 9/3

• (h - 9)/3

• (9 - h)/3

• 9 - h/3

Create an expression to represent the following word problem.

Three times the sum of e and 2

• 3e + 2

• 2e + 3

• 3(e + 2)

• 3(e - 2)

In the expression shown, x, y, and z are values where the expression is defined. What is the simplest form of the expression? Enter your answer in the space provided.

Mathematical Equivalence

ON

Tags

AI.9.11.B

In the expression shown, x, y, and z are values where the expression is defined.

What is the simplest form of the expression? Enter your answer in the space provided.

Mathematical Equivalence

ON

Tags

AI.9.11.B

Simplify 3(e + 2)

• 3e + 6

• 3e + 2

• 6e

• 3e + 5

Create an expression to represent the following word problem.

The product of 7 and j increased by 3.

• 7j + 3

• 7j - 3

• 7(j + 3)

• 3j + 7

Create an expression to represent the following word problem.

Twice the sum of 6 and x

• 2(6 + x)

• 12 + x

• x + 6

• 2(6 - x)

Mitch has 35 more bouncy balls than Rudy. Rudy has b bouncy balls. Choose the expression that shows how many bouncy balls Mitch has.

• 35 - b

• b

• 35

• b + 35