Multiplication and Division

NZ Level 3

Multiply 2 two digit numbers using an area model

Let's use the area model to find $32\times40$32×40.

a

Fill in the areas of each rectangle.

$32$32 | |||||||||||

$20$20 | $\editable{}$ | ||||||||||

$20$20 | $\editable{}$ | ||||||||||

b

What is the total area of both rectangles?

c

So what is $32\times40$32×40?

Easy

Approx 2 minutes

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Record and interpret additive and simple multiplicative strategies, using words, diagrams, and symbols, with an understanding of equality