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6 mar 2022 · This educational math video for kids shows multiplying 1 digit by 2 digits using the box model, multiplying 1 digit by 4 digits using partial products, and also multiplying 2 digits by 2...
On this lesson, you will learn how to use area model multiplication to solve multiplicative comparison word problems! ★ Love math challenges?
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Sal uses place value, the distributive property, associative property, and an area model to show more ways to multiply.
Video transcript. Let's multiply 6 times 7,981. And the way we're going to do it right now is just to represent or expand out 7,981 as 7,000 plus 900 plus 80 plus 1. And so multiplying 6 times 7,981 is the same thing as multiplying 6 times 7,000 plus 6 times 900 plus 6 times 80 plus 6 times 1. You'd essentially distribute the 6.
So when you multiply-- if you had a rectangle that's 65 units wide and you multiplied it, and it had a height of 78 units, then its area is going to be 78 times 65. It's area is going to be 5,070. Now, each of these parts we can map to one part of this area model right over here.
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.
