5th Grade Math CBA 2

A rectangular parking lot was being designed outside a football stadium. Each row of the parking lot is designed to hold the same number of cars. Which of these is a possible arrangement for the parking lot to hold 10,000 cars?

• 20 rows of 50 cars

• 50 rows of 200 cars

• 100 rows of 10 cars

• 250 rows of 400 cars

Answer explanation

rows and columns make arrays

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5.3.B

There are 1,480 students and 16 classes at Eva's school. Write an expression that could be used to determine the closest estimate for the number of students in one class.

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5.3.A

Sweet Thing Bakery made 651 donuts on Monday morning. The donuts were place in boxes that each hold one dozen donuts. How many full boxes of donuts were made Monday morning? ​ (a)  

• 54 boxes
• 53 boxes
• 55 boxes
• 56 boxes

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5.3.C

Jose is going to purchase a new tv using a payment plan.

The sales price of the tv is $627.99.

Jose used a coupon for $50 off the price of the tv before tax.

The sales tax for the tv is $51.81.

Jose made a down payment of $25.

Jose will pay the remaining balance in 6 equal monthly payments.

Choose all the expressions that can be used to show that Jose will need to make monthly payments of $100.80 to pay off the tv.

• (627.99 -50+51.81 -25) ÷6

• [627.99-(50-51.81+25)]÷6

• [(627.99-50)+51.81-25]÷6

• [627.99-(50+51.81-25)]÷6

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5.4.F

List the reptiles from longest to shortest.

• Saltwater Crocodile

• Monitor Lizard

• Blind Snake

• Green Iguana

• Tuatara

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5.7

Mrs. Perez has five items that each has a different mass. Which two items has a mass of 9,000 grams?​ (a)  

• DVD Player and Roller Skate
• DVD Player and Football
• DVD Player and Bowling Ball
• DVD Player and Textbook

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5.7