IXL | Multiply 1-digit numbers by 3-digit or 4-digit numbers using area models

Use the model to find

141

First, find the area of each rectangle.

100

Then, find the total area.

141

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Learn with an example

question

Use the model to find

491

First, find the area of each rectangle.

400

Then, find the total area.

491

solution

The model represents

491

. The model is a rectangle made of three smaller rectangles. The side lengths of each smaller rectangle are shown on the model.

400

Multiply the side lengths to find the area of each smaller rectangle.

400

800

180

Fill in the areas on the model.

400

800

180

Add the areas of the smaller rectangles to find the total area of the model.

800

180

982

The total area of the model is

982

. So,

491

982

Looking for more? Try these:

Lesson: Area model multiplication

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Teacher tools

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F.3Multiplication facts to 12

N.5Add two-digit numbers with regrouping - sums to 100

Lesson: Area model multiplication

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