# Calculate Areas of Parallelograms

In this worksheet, students will calculate the areas of the given parallelograms.

Key stage:  KS 2

Curriculum topic:   Measurement

Curriculum subtopic:   Calculate Areas

Popular topics:   Area worksheets

Difficulty level:

#### Worksheet Overview

Use the following formula to work out the area of a rectangle:

We must know the base length and the perpendicular height from the base to the top.

Area of rectangle = base × height

Now, try this with a piece of paper.

Cut off a right-angled triangle from the left-hand side and separate the two pieces.

The area of the two pieces together will be the same as the original rectangle.

Move the right-angled triangle over to the right-hand side.

The area still hasn't changed.

Join the two pieces to form a parallelogram.

The area of this parallelogram is the same as the original rectangle.

Area of Parallelograms

We must know the base length and the perpendicular height from the base to the top. (NOT the slant height)

Area of parallelogram = base × height

Example

Calculate the area of this parallelogram in cm2.

To calculate the area, we must know the base length and the perpendicular height from the base to the top. (NOT the slant height)

The base length is 10 cm.

The slant height is 7 cm, which we do not need.

The perpendicular height is 6 cm.

Area = Base × Height = 10 × 6 = 60 cm2

Are you ready to have a go at some questions now?

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