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Montgomery County Public Schools (MCPS)
Reply to "2.0 1st grade curriculum: Carbon Dioxide? Yes! Telling time? No! "
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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous] I don't mean they use calculators in school -- [b]I mean why bother teaching them various ways to work it out in their heads when they will have 24/7 access to a calculator? what a waste of time. Just teach them how to do the addition and subtraction and be done with it.[/b] [/quote] Oh, lord, this is why americans are terrible at math. This is why so many people don't have a good number sense. Kids need a firm foundation in math, play with numbers to understand the different ways to add/subtract. I'm sooooo glad kids are learning this in the early years.[/quote] In reality there is only one way to add and subtract.[/quote] No, that's not true. For example, for 8 + 4, here are three things you could do: 1. Memorize 8 + 4 = 12 2: Make 10: 8 + 2 = 10, + 2 = 12. 3: Count on: 8 + 1 + 1 + 1 + 1 = 12. [/quote]
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