Sunday, November 3, 2013

Addition/Subtraction Center FREEBIE!

The other day I showed a problem my students had been solving, There's three chickens and 2 horses.  How many legs in all? It really pushed their thinking because they had to know more than one thing: the animal and how many legs the animal had.  I mentioned that they all started by adding the animals and then slowly came to other realizations.
 
 
 
So as I have been thinking about my next bunch of centers I thought that I would like to continue this kind of thinking.  Here is my freebie: How Many Legs in All?
 
The students will drop 3 pencil cap erasers onto the board.  Draw the three animals the erasers land on.  Add up the amount of legs (three addends).  Then take one animal {and their legs!} away.
https://drive.google.com/file/d/0BxyFB6bkDkQIME9xdUJEYUFfQWc/edit?usp=sharing

https://drive.google.com/file/d/0BxyFB6bkDkQIME9xdUJEYUFfQWc/edit?usp=sharing

https://drive.google.com/file/d/0BxyFB6bkDkQIME9xdUJEYUFfQWc/edit?usp=sharing
 
This was also my first foray at making my own set of graphics :)
 
I hope you and your students enjoy!
Jen
 

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3 comments:

  1. Susan K.November 4, 2013 at 7:31 AM

    Great math center idea! Thanks for sharing.

    ReplyDelete
  2. WendyNovember 6, 2013 at 5:34 PM

    I love your activities. Thank you so much for sharing them!! You are the best!!!

    ReplyDelete
  3. UnknownJanuary 7, 2022 at 1:18 PM

    I have been doing some open ended farm problems, but have not thought about using it like this. Thank you so much for sharing. This will be great for my diverse students as it has a picture scaffold too.

    ReplyDelete

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