California Assessment of Student Performance and Progress (CAASPP) Math Practice Exam

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What is the volume of a cube with a side length of 3 cm?

9 cm³
18 cm³
27 cm³
36 cm³

The correct answer is: 27 cm³

To find the volume of a cube, you can use the formula for volume, which is the length of one side cubed (s³). In this case, the side length of the cube is 3 cm. Calculating the volume involves raising the side length to the third power: 3 cm × 3 cm × 3 cm = 3³ = 27 cm³. Thus, the volume of the cube with a side length of 3 cm is 27 cm³. This confirms that the correct answer is indeed 27 cm³. The other options do not represent the correct volume calculated from the given side length. 9 cm³ would be the result of squaring the side length (3 cm × 3 cm), while 18 cm³ or 36 cm³ do not correspond to any operation correctly applied to the side length.