Unit Test — Unit test Answers

Which situations can represent the expression ? Check all that apply.

The top of Mrs. Vonvilla’s coffee table has the dimensions shown. She wants to put a bumper around the edges of the table to protect her child in case he falls. What is the perimeter of the tabletop? Use the formula for the perimeter of a rectangle, , where P is the perimeter, l is the length, and w is the width.

Rodrigo traveled at an average speed of 55 miles per hour for 5 hours to get from one national park to the next on his vacation. What is the distance between the national parks? Use the formula d = rt, where d represents the distance, r represents the rate, and t represents the time.

Which expression correctly represents “nine less than the quotient of a number and four, increased by three”?

Which expression correctly represents “three less than the product of a number and two, increased by five”?

Which set of algebra tiles represents the sentence below?Luis added four shells to his collection.

What is the value of “twelve more than the quotient of a number and two, decreased by four” when n = 4?

Which is a correct representation of using algebra tiles?

Which expression can be used to model the phrase “the sum of three and a number”?

Which set of algebra tiles represents the sentence below?Jemel spent 6 fewer dollars.

Which expression models the phrase “Wally mowed two more lawns than he mowed last week”?

What is the base of a triangle that has a height of 6 centimeters and an area of 18 centimeters?Use the formula , where A represents the area of the triangle, h represents the height, and b represents the length of the base.

Which steps can be taken to translate the phrase “the difference in the number of servings and four”? Check all that apply.

Which set of algebra tiles represents the sentence below?Carlton earned 3 more stamps.

The top of the lid to a small container is in the shape of a square with a side length of 6 centimeters, as shown. What is the area of the top of the lid?Use the formula for the area of a square, , where A represents the area and s represents the side length.

Which are correct interpretations of the expression ? Check all that apply.

Which expression can be used to model the statement “On Wednesday, Nathaniel earned $10 less than he earned on Tuesday”?

Jillian was asked to translate the expression into words. She wrote “a number increased by nine.” Which best describes the accuracy of Jillian’s answer?

Mischa wrote, “Anderson has ten trading cards. He gives some to Desai. This describes a possible context for the expression .” Which explains the accuracy of what Mischa wrote?

Ivan’s shower floor is rectangular with the dimensions shown. He needs to put new sealant around all four edges of the shower floor. What is the perimeter of the shower floor? Use the formula for the perimeter of a rectangle, , where P is the perimeter, l is the length, and w is the width.