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# Area Model of Multiplication

In this Area Model Multiplication video, Farmer Maslow takes us on a tour of his farm by the sea as he plants his new crops. While planting his field of green beans, he'll be showing us how to multiply two-digit by two-digit numbers using the area model. Also known as Partial Products Multiplication, using geometric models to show a deeper understanding of the mechanics of multiplication is something that is a regular part of Farmer Maslow's everyday life.

If you like our math joke located on the top right of this page, scroll down and steal it! We made it easy for you. (and, of course, you have our permission)

#### Area Model Song Lyrics:

A farmer was planting green beans
in fourteen rows of fifteen.
The area model is how he thought
about the number of plants he got.
First, he multiplied ten by ten
and wrote one hundred with his pad and pen.
Then he multiplied ten by five;
there were fifty more plants coming alive.
Then ten times four equals forty,
and just the bottom corner was empty.
So, he multiplied five by four
and ended up with twenty more.

CHORUS
Split up the place values in multiplication.
Multiply the tens to get the foundation.
Then the other place values get multiplied.

Then the farmer planted black beans
in twenty-two rows of fifteen.
To find out how many plants he had,
he drew the area model on his sketch pad.
He did twenty times ten and wrote two hundred down;
then ten times two, and twenty’s what he found.
Twenty times five was one hundred, and then,
five times two equaled ten.
He added two hundred, one hundred, twenty, and ten;
the sum was three [hundred] thirty; he checked it again.
So, there were three hundred thirty black beans
in twenty-two rows of fifteen.