Explain how to calculate the volume of compound shapes

Maths

In this unit pupils will explain what volume is using a range of contexts and describe the units used to measure volume. They will explain how to calculate the volume of a cuboid and explain what a cube number is. In the future unit pupils will explain the use of the commutative and distributive laws when multiplying three or more numbers. 

In the prior unit pupils calculated the area of a rectangle using multiplication and used their knowledge of area to solve problems. In this unit pupils will explain what volume is using a range of contexts and describe the units used to measure volume. They will explain how to calculate the volume of a cuboid.

Understand the concept of volume

What is the name given to a shape made by combining two or more basic shapes?

Use the complete and subtract strategy to find the volume of this shape. {{ }}cm$$^3$$

Jacob partitioned the compound shape into two cuboids. What is the volume of the smaller cuboid? {{ }} cm$$^3$$

Use an efficient strategy to calculate the volume of this compound shape. {{ }} cm$$^3$$

Which of these are the correct properties of a cuboid?

Multiply the height, length and width measurements together.

Multiply the height and width measurements and add the length.

Multiply the height and width measurements and divide by the length.

Add the height, length and width measurements together.

Which of these is the correct way to calculate the volume of a cuboid?

What is the volume of this cuboid? {{ }} cm$$^3$$

What is the difference in volume between cuboid A and cuboid B? {{ }} cm$$^3$$

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