8th Math, Unit 7 Quizizz

8th Math, Unit 7 Quizizz

Assessment

Assessment

Created by

Margaret M Wilson

Mathematics

8th Grade

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10 questions

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1.

Multiple Choice

3 mins

1 pt

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Consider the following equation: 4x-8 =6x+16. Use the model of the equation to find the solution.

12

-4

-12

4

2.

Fill in the Blank

3 mins

1 pt

Toby and Marcos both collect stamps. Toby has 10 stamps and collects 4 new stamps every week. Marcos has 60 stamps and collects 2 new stamps every week. This situation can be modeled with the equation below. 4x +10 = 2x + 60. After how many weeks will Toby and Marcos have the same number of stamps?

3.

Multiple Choice

3 mins

1 pt

Renting movies from Movie Mania costs $1.50 per movie plus a monthly fee of $3.00. Renting movies from Movie Busters costs $2.00 per movie plus a monthly fee of $1.50. The monthly cost to rent movies depends on the number of movies, m, rented. Which inequality represents the situation when the monthly cost at Movie Mania is less than the monthly cost at Movie Busters?

1.5m + 4.5 > 2 + 1.5m

1.5m + 3 < 2m+1.5

4.5+3 > 2m+1.5

4.5m < 3m

4.

Multiple Choice

5 mins

1 pt

Which situation can be represented by this equation? 360 + 4x = 670-8x

Mary started with savings of $360 and spends $8 of her savings every week. Todd started with savings of $670 and adds $4 to his savings every week. What is x, the number of weeks that need to pass in order for Mary and Todd to have the same amount of savings?

Mary started with 360 cans of food for a food drive. She collects 4 more cans every day. Todd started with 670 cans of food for the food drive. He collects 8 more cans every day. What is x, the number of days that need to pass in order for Mary and Todd to have the same number of cans of food?

Mary has a container that originally contained 360 fl oz of water and is being filled at a rate of 4 fl oz per minute. Todd has a container that originally contained 670 fl oz of water and is being drained at a rate of 8 fl oz per minute. What is x, the number of minutes that need to pass in order for the two containers to contain the same amount of water?

Mary earns 364 points on each level of a video game. Todd earns 662 points on each level of the same video game. What is x, the number of levels that Mary and Todd would have to play in order for them to have an equal number of points?

5.

Fill in the Blank

3 mins

1 pt

John and Anna entered a giant pumpkin contest. John’s pumpkin weighed 2n + 1.2 pounds. Anna’s pumpkin weighed 3n – 4 pounds. The total weight of John’s pumpkin was the same as the total weight of Anna’s pumpkin. This situation can be expressed with the equation 2n+1.2 = 3n-4. What is the solution to this equation?

6.

Multiple Choice

3 mins

1 pt

Reese had $42 in his pocket on Sunday night. He spent $6.50 every day for lunch. Which of the following equations best describes the relationship between d, the number of days since Sunday, and m, the amount of money remaining?

m = 35.50d

m = 48.50d

m = 42 - 6.50d

m = 6.50d - 42

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