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Schools and Education General Discussion
Reply to "Did anyone else learn "Dot Math" growing up? If not, how were you taught to add and subtract? "
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[quote=Anonymous][quote=Anonymous]Op here -- Ok, sounds like pure memorization is the way to go. Yes, "Touch Math" sounds identical to "Dot Math" -- would've been 1982/83 for me too! I was terrible in math (still am) and I still rely on the damn dots. I never thought to blame dot math, just thought it was me. I will officially stay away from teaching them to my kids! [/quote] OMG me too! I would have been in 1st grade in 1983 and I remember those dots! I was great in math but could never do mental math accurately. I think the way to teach addition/subtraction is to start with "what makes 10". You want kids to totally internalize the number pairs that make 10. 1 and 9, 2 and 8 and so on. They should have these rock solid -- totally automatic. There are lots of ways to drill the associations down -- using 10 frames, using dominoes, using manipulatives and counting, using an abacus, etc. Once they have those facts down, you do doubles. 2+2 3+3 and so on. Of course each time they learn a number fact, you practice it many ways: 2+ ___ = 4 2+2 = _____ After they have all the 10 facts and the doubles facts you teach +1 fcts and +2 facts... called "counting on". Usually pretty easy. Then you teach double plus 1 facts. If you know 6+6 = 12, then 6+7=13. That gets you most of the facts to 20 and then you just use the 9s trick for the 9 facts and then you are almost done. Except for the tough ones: 7+5, 8+4, 6+8, 7+4[/quote]
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