Reply to Do kids need to understand "borrow and pay back" subtraction (vs regrouping)?

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[quote=Anonymous][quote=Anonymous][quote=Anonymous]Kids with learning disabilities get very confused by being taught multiple ways to solve problems like this. Just teach them one way that works for them. I understand the need for number sense, but if your child gets confused, just stick with one way. [/quote]

+1  It's good to know how to solve something 10 different ways as long as they also know a single consistent, fast method.

I have a rising 5th grader who struggles in math and she once was told to pick her favorite way to solve 14*12. Unfortunately, her "favorite" was to add 12 fourteen times because she didn't really understand what we would view as the standard multi-digit multiplication algorithm since it was presented as just 1 method out of a bunch of different ones, not the default. Her other favorite was lattice multiplication, which I tend to think of as a cool trick but realistically wouldn't be super efficient for solving 14568*459, for example. But the teacher never told them to pick just one and practice it for speed and fluency, so nothing ever really stuck.[/quote]

I have an upcoming 5th grader whose multiplication skills are shockingly weak bc of this too —-teaching widely but not deeply.   Lots of methods, but none well.  This summer I’m drilling down on the standard method that we learned and having her master that. Screw everything else.  I’m also having to go over math facts! Because while she learned these in first grade and second and third....she still has to think about the answers. [/quote]

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