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Montgomery County Public Schools (MCPS)
Reply to "More WTH 3rd Grade Math, Round Two."
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[quote=Anonymous]The idea is not to teach 30 x 8 = 24, where 8 groups of 30 is 240, so that can then be misconstrued as "well what do I do with 31 x 8?" The idea is to teach students about what a multiple is. In this case, multiples of 10s. Your child should have learned what a multiple of 10 is, and what a multiple of 10 isn't. If the work they did in class (which includes groupings of 10s for "larger" multiplication) held up in homework, the student should realize that all numbers ending with 0 in the ones place will be a multiple of ten, and using the grouping strategy to explain.[/quote]
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