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Q&A #6524


Explaining the why's of multiplication place values

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Description:  Helping students understand why you "move over a place" when multiplying two- and three-digit numbers
Level:  Late Elem. (3-5)
Math topic:  Arithmetic/Early Math, Multiplication, Number Sense/About Numbers
Ed. topic:  Specific Math Concepts/Techniques

Original Question/Response
18 Jun 01   Explaining the why's of multiplication place values by Robyn Corwin
18 Jun 01   Re: Explaining the why's of multiplication place values by Jeanne

Public Discussion
17 Sep 02   expanded notation by Glenn Nienaber
13 Dec 06        Re:what is the expanded notation of 90? and write a number sentence by alex
10 Jul 08   partial products by Neil Sklar
10 Jul 08        Re: partial products by Neil Sklar
20 Jul 08   KISS: Keep It Simple & Sound by Mark
05 Aug 08   place value go expanded by Mitchell Davis
04 Sep 08   teaching multiplication by Mrs Anderson

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