IXL | Find the missing side length of a rectangle

The width of the rectangle is 3 units. The area is 15 square units.

What is the length of the rectangle?

units

square units

units

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Learn with an example

The length of the rectangle is 2 units. The area is 8 square units.

What is the width of the rectangle?

units

square units

units

The area of a rectangle is equal to its length times its width.

length

width

When the length and width are measured in

units,

the area is measured in square

units.

You know the length is 2 units and the area is 8 square

units.

To find the width, write a multiplication sentence for the area of the rectangle.

You can use a multiplication fact to find the width.

The width of the rectangle is 4

units.

Looking for more? Try these:

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Now entering the Challenge Zone—are you ready?

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Teacher tools

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