Understanding Volume with Unit Cubes

What is the purpose of using unit cubes when learning about volume?

• To draw better

• To calculate area

• To understand three-dimensional space

• To measure weight

How many unit cubes make up one layer of the first rectangular prism discussed?

• 20 cubes

• 25 cubes

• 15 cubes

• 10 cubes

What is the total volume of the first rectangular prism if it has 3 layers?

• 45 cubic units

• 30 cubic units

• 35 cubic units

• 40 cubic units

Which formula also gives the volume as 45 cubic units for the first example?

• Length x Width

• Height x Width

• Length x Width x Height

• Base x Height

How many layers does the second rectangular prism have?

• Three layers

• Two layers

• Five layers

• Four layers

What is the volume of the second rectangular prism using the base area times height formula?

• 32 cubic units

• 36 cubic units

• 28 cubic units

• 40 cubic units

What is the volume of the second rectangular prism using the length times width times height formula?

• 32 cubic units

• 36 cubic units

• 28 cubic units

• 40 cubic units

What does the height in the volume formulas refer to?

• The width of the base

• The number of layers

• The number of unit cubes in one layer

• The depth of the base

What is the volume of this prism? (a)  

• 16 cubic cm
• 12 cubic cm
• 48 cubic cm

If each cube in the prism measures 1 in³, what is the volume of the prism?

• 8 in³
• 12 in³
• 18 in³
• 21 in³