Trouble with subtraction

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bigreys5
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Trouble with subtraction

Postby bigreys5 » Wed Sep 12, 2007 2:35 pm

Batrice - Kings Academy
Mommy to: Gabriel(2000)allergic to peanuts, treenuts, shellfish and Michael(2003)
Step mom to: Isaiah(1996) andRebekah(1997)

ncmom
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Postby ncmom » Wed Sep 12, 2007 3:39 pm


Lily
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Postby Lily » Wed Sep 12, 2007 4:03 pm

We printed the strip board from here for visual reminders and played a lot with the snake game.
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laurabeth
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Postby laurabeth » Wed Sep 12, 2007 6:35 pm

My dd 6 (almost 7) loves addition, but subtraction was a bit of an issue, we used manipulative's when we started over the summer, I am using a curriculum now that hasn't gotten to subtraction yet, (we started less than 4 weeks ago and it is very slow and steady to the point I would like to skip ahead, but I am sticking with it for now) but the manipulative's made her get it, I just used pencils because thats what was handy at the time, but really you could use anything.

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Theodore
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Postby Theodore » Wed Sep 12, 2007 9:44 pm

You can turn it into an addition problem -

Solve x - y:
What would you add to y to get x?

This is an easy way to get the concept of subtraction across. Long subtraction can also be presented as addition in reverse, since you add tens to the column on the left in addition, and subtract tens from the column on the left in subtraction.

mom1967
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Postby mom1967 » Mon Oct 15, 2007 8:52 am

oh here is what I did,

I used all sorts of model to figure out a subtraction fact with them, after each of those exercise, I wrote the fact on down on a flashcard.

Then I kept practicing those facts by the flashcard, while figuring out and adding more cards to my collection.

This approach really works to let them remember the subtraction facts.

bigreys5
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Postby bigreys5 » Mon Oct 15, 2007 9:31 am

What I have been doing, and it has helped a lot, is I 10 blocks from his toy box and I let him use them as he is doing the problems. He seems much more comfortable, and I will eventually faze this out.
Batrice - Kings Academy

Mommy to: Gabriel(2000)allergic to peanuts, treenuts, shellfish and Michael(2003)

Step mom to: Isaiah(1996) andRebekah(1997)

Kitty-Cat
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Postby Kitty-Cat » Mon Oct 15, 2007 6:18 pm

Jo from Australia


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