Spiral Review Week 18

Gavin’s dog weighs 28.7 pounds. Julian’s dog weighs 2.7 times as much as Gavin’s dog. What does Julian’s dog weigh, in pounds?

Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

Mathematical Equivalence

ON

Three people drove together to the beach. Along the way they bought 12 gallons of gasoline for $3.76 per gallon. They shared the cost of the gas equally.

How much money did each person pay for gasoline?

Which model represents 2.4 ÷ 3?

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• 
• 
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An expression is shown.

6 [48 – 5(1 + 3)]

Which statement is true about the parentheses in this expression?

• Add 1 to 3 before multiplying by 5.

• Subtract 5 from 48 before multiplying by 1 + 3.

• Multiply 4 by 48 before subtracting 5.

• Add 1 to 3 before subtracting 5.

A rectangular front porch has an area of 270 square feet. Its perimeter is 66 feet. Which could be the dimensions of the porch?

• 16.5 ft by 16.5 ft

• 67.5 ft by 67.5 ft

• 10 ft by 27 ft

• 18 ft by 15 ft

The band room floor at Janice's school is shaped like a rectangle. It has an area of 1,120 square feet. The width of the floor is 40 feet. What is the length, in square feet, of the band room floor?

The rectangle shown has a perimeter of 43 feet.

What is the width, x, of the rectangle?

Use the picture to answer the question.

Which inequality correctly compares the average brain, in grams, of these three species

• 0.9 < 0.08 < 0.097

• 0.9 < 0.097 < 0.08

• 0.08 < 0.9 < 0.097

• 0.08 < 0.097 < 0.9

Choose the species with an average brain mass less than 0.1 gram.

Some workers were loading the cargo area of a truck with cube-shaped boxes. Each cube-shaped box had a side length of one foot. A diagram of the cargo area of the truck is shown.

How many 1-cubic foot boxes will it take to cover the bottom of the cargo area of the truck?

(a)  

• 1,728

• 216
• 284

• 560