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Video Description:

Watch as Farmer Maslow takes us on a tour of his farm by the sea as he plants his new crops. As he plants a field of green beans, he'll be showing us how to multiply two-digits by two-digits using the area model. Also known as the Singapore Method, 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.

Farmer 'Maz' is looking forward to giving you a tour of his quaint farm by the sea where he'll be planting crops in rectangular arrays to show the visual area model of multiplication. Learning about the fundamentals of grouping, place value, and multi-digit multiplication has never been this, laid-back, chill, and easy to understand!

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1 - NUMBEROCK's Area Model Multiplication Fun Pack and Lesson Materials
2 - NUMBEROCK's 2-Digit Multiplication Task Cards
3 - NUMBEROCK's 2-Digit Multiplication Google Classroom Digital Task Cards
Aligned With Common Core Standard 4.NBT.5, 5.NBT.2, 5.NBT.5 and TEK Standard 4.4C & 4.4D

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.
Add the partial products up, and check your work twice.

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.

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