Find the volume of a right rectangular prism with fractional edge lengths by packing it with unit cubes of the appropriate unit fraction edge lengths. Apply the formulas V = l w h and V = b h.

Sample Practice Questions (3)

Two prisms, Prism A and Prism B, have the dimensions shown in the table below. Which statement about their volumes is true?

Prism	Length	Width	Height
Prism A	2 units	2 units	2 units
Prism B	4 units	1 unit	2 units

APrism A has a larger volume than Prism B.

BPrism B has a larger volume than Prism A.

CBoth prisms have the same volume.

DThe volume of Prism A is double the volume of Prism B.

Multiple choice · diagram · tableSee Answer + Explanation →

A rectangular prism has a length of

\frac{3}{4}

foot, a width of

\frac{1}{2}

foot, and a height of

\frac{2}{3}

foot. What is its volume?

\frac{1}{4}

cubic foot

\frac{3}{8}

cubic foot

\frac{6}{9}

cubic foot

\frac{2}{3}

cubic foot

A rectangular block of wood is shown below. What is the volume of the block of wood?

8 \frac{1}{2}

cubic inches

12

cubic inches

16

cubic inches

24

cubic inches

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