Calculating Volume of Rectangular Prisms with Fractions

The video tutorial explains the concept of volume as the number of cubic units needed to fill a figure. It introduces the formula for calculating the volume of a rectangular prism by multiplying its length, width, and height. The tutorial provides examples of calculating volume using different dimensions and emphasizes the importance of using cubic measurements. It also includes practice exercises for calculating volume and counting the number of cubes needed to fill a prism.

What is the formula to calculate the volume of a rectangular prism?

• Length x Width x Height

• Length / Width / Height

• Length - Width - Height

• Length + Width + Height

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CCSS.7.G.B.6

If a rectangular prism has dimensions of 1.5, 2.5, and 1, what is its volume in cubic units?

• 4.5

• 2.5

• 3.75

• 5

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CCSS.7.G.B.6

How can the volume 3 and 3/4 be represented in decimal form?

• 3.25

• 4

• 3.75

• 3.5

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CCSS.4.NF.C.6

What unit is used to measure volume?

• Square units

• Cubic units

• Quadratic units

• Linear units

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CCSS.5.MD.C.3A

CCSS.5.MD.C.3B

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What does the volume of a rectangular prism represent?

• The length of its sides

• The space it occupies

• The perimeter

• The surface area

Why is the volume measured in cubic units?

• Because it involves three dimensions

• Because it's always a cube

• Because it's easier to calculate

• Because it's a standard unit

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CCSS.5.MD.C.3A

CCSS.5.MD.C.3B

CCSS.5.MD.C.4

How many half-inch cubes are needed to completely fill a prism with dimensions 3x2x5 units?

• 60

• 20

• 10

• 30

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CCSS.5.MD.C.5A

CCSS.6.G.A.2

What adjustment is made to the unit when calculating volume as opposed to area?

• From cubic to square

• From square to cubic

• From linear to square

• From square to linear

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CCSS.5.MD.C.3A

CCSS.5.MD.C.3B

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What is the volume of a rectangular prism with dimensions 1.5, 2, and 2.5 in cubic centimeters?

• 10

• 9

• 8

• 7.5

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CCSS.7.G.B.6

How many half-inch cubes will fill a prism with dimensions allowing for a 4x5x3 arrangement?

• 20

• 40

• 60

• 80

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CCSS.5.MD.C.5A

CCSS.6.G.A.2