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Guest Post: Tommy Explains Subtracting with Trains

May 9th, 2013 by

(Dictated by Tommy:)

We were subtracting with trains for school today.  I took these pictures with Mommy’s camera.

First, I got the subtracting cards.  Then me and Mommy made an oval train track and put ten train cars on it.  Then I got a card and did what the card said.  These examples show how I did it.

Tommy's subraction work 008

Ten take away eight equals two!

Tommy's subraction work 009

Then I did another one.  See how I first took a picture of all the train cars together.

Tommy's subraction work 010

Then I took away seven cars.  The answer was three.

Tommy's subraction work 011

Then I did it all over again.

Tommy's subraction work 012

I took away nine cars, and the answer was one, of course!

Tommy's subraction work 014

This time I took away two.

Tommy's subraction work 015

And the answer was eight, of course.

Tommy's subraction work 016

This is the last example.  I took away five.

Tommy's subraction work 017

And the answer was five, of course!

Tommy's subraction work 018

I really like doing subtracting now!

Posted in Homeschooling, Tommy

One Response to “Guest Post: Tommy Explains Subtracting with Trains”

  1. Lisa says:
    May 10, 2013 at 1:49 pm

    This was very well-explained. I understand it better now.