We model multiplying 1digit whole numbers by multiples of 10 by using base ten blocks, drawing a quick picture, or by using place value and regrouping. A multiple is the product of two counting numbers. If one of the factors is a multiple of 10, the product will be a multiple of 10 and it will have a zero in its ones place. We solve a twostep word problem which involves multiplication and subtraction. We discuss how a multiple is the product of two counting numbers, and how some counting numbers have multiples in common with each other.

3rd Grade Math 4.2, Multiples & Multiply by 5 and 10
   • 3rd Grade Math 4.2, Multiples & Multi...  

3rd Grade Math Playlist (2015)
   • 3rd Grade Math Course  

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