Expressions with Unknowns

Question 1

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

Revolt · Accepted Answer

n minus 10

Question 2

Which statement could the expression represent?

Revolt · Accepted Answer

one point greater than the last test grade

Question 3

Which statement could the expression represent?

Revolt · Accepted Answer

Prakhar is 13 years older than his youngest sister.

Question 4

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

Revolt · Accepted Answer

1 box contains x and 4 boxes contain a plus sign.

Question 5

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?

Revolt · Accepted Answer

It is correct. A number increased by nine () is the same as nine increased by a number ().

Question 6

Kelley writes the expression to model the phrase “Xander studied two more hours than Nandini.” Which best explains the accuracy of Kelley’s expression?

Revolt · Accepted Answer

It is accurate. In the phrase “two more hours than Nandini,” “two” is “2,” “more” is “+,” and Nandini’s study time is unknown or “n,” so or are correct translations.

Question 7

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

Revolt · Accepted Answer

1 box contains x and 3 boxes contain plus signs.

Question 8

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

Revolt · Accepted Answer

Replace “the difference” with subtraction.; Replace “the number of servings” with a variable, x.; Replace “four” with 4.; Write the expression .

Question 9

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

Revolt · Accepted Answer

5 more than a number; the sum of a number and 5; the total of a number and 5

Question 10

Which is a correct representation of using algebra tiles?

Revolt · Accepted Answer

5 boxes contain a plus sign and 1 box contains x.

Expressions with Unknowns Answers

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