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What's 22 * 19 + area model​

User Jalmarez
by
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1 Answer

3 votes

Answer:

(20+2)(10+9)

Explanation:

The area model is written as (a+b)(c+d). To write a multiplication problem into an area model, split it into numbers which add to it. Multiples of 10 are most commonly used.

For example 22*19 becomes (20+2)(10+9).

User Andrew Dunn
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