3. Multiplication and division

Let's use the area model to find $44\times3$44×3.

a

Fill in the areas of each rectangle.

$40$40 | $4$4 | ||||||||||||

$3$3 | $\editable{}$ | $\editable{}$ | |||||||||||

b

What is the total area of the two rectangles?

c

So what is $44\times3$44×3?

Easy

Less than a minute

Let's use the area model to find $77\times3$77×3.

We want to use the area model to find $403\times2$403×2.

We want to use the area model to find $907\times2$907×2.

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selects and applies appropriate strategies for multiplication and division, and applies the order of operations to calculations involving more than one operation