Measuring length (age 10+)

Question 1

Which statement best describes the volume of a three‑dimensional shape?

Accepted Answer

It is the amount of space inside the shape, measured in cubic units.

Answer

It is the size of the shape’s surface, measured in square units.

Answer

It is how heavy the shape feels, measured in pounds.

Answer

It is the length of one edge of the shape, measured in units.

Question 2

Maya has a rectangular prism that can be filled with tiny 1‑cm³ cubes. She says the prism's volume tells how many cubes fit inside, while the area of its top tells how many squares cover the top surface. Which statement best describes volume and how it differs from area?

Accepted Answer

Volume is the amount of space a solid occupies and is measured in cubic units; area measures the amount of surface covering and is measured in square units.

Answer

Volume tells how many square units cover the top face, and area tells how many cubic units fill the whole shape.

Answer

Volume is the size of the shape’s surface and is measured in square units; area is how much space can be filled inside, measured in cubic units.

Answer

Volume equals length times width, while area equals length times width times height.

Question 3

A rectangular solid is built by stacking unit cubes. It is 5 cubes long, 3 cubes wide, and 2 cubes high. How many cubic units is its volume?

Accepted Answer

30

Answer

25

Answer

15

Answer

10

Try three questions

Which statement best describes the volume of a three‑dimensional shape?

Maya has a rectangular prism that can be filled with tiny 1‑cm³ cubes. She says the prism's volume tells how many cubes fit inside, while the area of its top tells how many squares cover the top surface. Which statement best describes volume and how it differs from area?

A rectangular solid is built by stacking unit cubes. It is 5 cubes long, 3 cubes wide, and 2 cubes high. How many cubic units is its volume?

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