Tutorial: A Multiplication Strategy

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We have been learning about multiplication. 

Sometimes we encounter a large multiplication sentence and we don't know the product. We learned a strategy called:  Break the Large Array into Two Smaller Arrays and Add the Products. 

Here is a fabulous tutorial explaining the process 

for 5 x 7 = ?

 


Here is another tutorial. Again, it is modeling how to split a large array into two smaller arrays to get the final product. 

What did you think of the multiplication strategy?

What did you think of the tutorial?

Give us a large multiplication sentence that we can practice splitting into two smaller arrays to solve.