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

Use the model to find

335

First, find the area of each rectangle.

300

Then, find the total area.

335

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Learn with an example

question

Use the model to find

243

First, find the area of each rectangle.

200

Then, find the total area.

243

solution

The model represents

243

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

200

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

200

400

Fill in the areas on the model.

200

400

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

400

486

The total area of the model is 486. So,

243

486

Looking for more? Try these:

Lesson: Area model multiplication

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Teacher tools

Work it out

Not feeling ready yet? These can help:

H.7Multiply 1-digit numbers by 2-digit numbers using area models

H.12Multiply 1-digit numbers by 3-digit or 4-digit numbers: choose the area model

Lesson: Area model multiplication

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