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Q&A #537


Teaching addition and subtraction

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From: Cindy (for Teacher2Teacher Service)
Date: Sep 08, 1998 at 22:15:48
Subject: Re: Teaching addition and subtraction

In first grade, most students are not ready to move straight to memorizing
their facts.  However, as they become comfortable with the numbers,
memorizing becomes easier.

To help her move towards more abstract methods, try teaching her to 'count
on' or 'count up'.  It uses fingers and it requires one more step towards
abstraction.

To use 'Counting on' with subtraction:  Take the problem 16 - 7.  Have her
start at 7 and 'count on' to see how many more it takes to get to 16 (she
says '8, 9, 10, 11' up to 16 as she keeps track with her fingers).

To use 'Counting up' with addition:  Take the problem 8 + 7.  Have her start
at 8 and 'count up' 7 more (she says '9, 10, 11' etc. as she counts 7
fingers).

 -Cindy, for the Teacher2Teacher service

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