Monday, March 12, 2012

Moving on to Subtraction! (freebies)

We recently started teaching the kiddos the basics of subtraction.  To help out I made this subtraction mat.  Here are some pictures to help explain.  (freebies are at the end!)
First the kiddos put 10 tokens in their "stash" at the top.  This is where they return their tokens after each problem is worked out.  This has to be taught to them.

I pull out a card.  We talk about which one is the biggest number and how in subtraction we always have to start with the largest number, therefore that is the amount we put in the large square

We then take away or in this case "throw away" the other number into the cup.  It is a great visual for the kids and it keeps the subtracted pieces separate.  We then find the answer card and put it on the board.  When this card is finished we put all the pieces back in our stash at the top and start over.
Please tell me that made sense!  Here is the math mat and the cards.  They are very simple but they seem to be working for my kiddos!  You'll have to provide your own cups! :)

Subtraction work mat
Subtraction number sentences
Subtraction mat answers
Subtraction record sheet
at

29 comments:

  1. UnknownMarch 12, 2012 at 8:06 PM

    These are great! Thank you for sharing! Getting ready to start subtraction in my room soon. I just found your blog and I'm a new follower. =)
    Bobbie

    http://thedailycupcake-akindergartenblog.blogspot.com/

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  2. graceMarch 13, 2012 at 12:01 PM

    just in time for my lesson plans for next week! You rock!! Thank you so much!

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  3. Tangelia C.March 13, 2012 at 2:00 PM

    Love it! I'll definitely be using this! Do you have any great tips like this one for addition? We begin addition next week.

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  4. TessaMarch 13, 2012 at 8:16 PM

    Hi Buggy in Kindergarten! I used a similar mat for addition. It had two squares at the top with a plus sign in between them. They then put the first number of the problem in the first box and the second number in the second box. They then pulled them all together into the large box at the bottom. This was their answer.Clear as mud? It was so useful when we moved into independent work. The kiddos could pull one out and grab some tokens to work their problems. It's at school so I can't post it but I'll try to remember and post it soon!

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  5. Ms. GaitherMarch 14, 2012 at 10:28 AM

    I gave you an award--come check it out on my blog!
    Barb
    meet me at the zoo...
    kinderzoo

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  6. Ms. GaitherMarch 14, 2012 at 10:32 AM

    I think your blog is wonderful!
    Barb

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  7. KristinMarch 16, 2012 at 9:53 PM

    This is fabulous! I can't wait to use this with one of my intervention groups next week! Thanks so much for sharing!

    Mrs. Krull
    Of Primary Importance

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  8. KimMarch 17, 2012 at 12:29 PM

    I love this idea so much! I am going to use it for my RTI kids and also adapt it to higher subtraction problems. What a great idea. Thanks for sharing!
    Kim @ saylorslog.blogspot.com

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  9. Christina ClementMarch 18, 2012 at 1:14 PM

    Hi. This will be perfect for my kids to help them visualize the concept. Thank you for sharing this great idea. I am now following your blog!

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  10. UnknownMarch 18, 2012 at 4:55 PM

    This is fabulous! What a great visual!
    I'd love it if you come by my blog! I'm a newbie and would love some more followers :)

    Rowdy in Room 300

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  11. StefLehmannApril 3, 2012 at 4:33 PM

    Love it! Thank you so much for sharing this amazing idea.

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  12. AlexandraApril 10, 2012 at 6:11 PM

    The only comment I have to make is not to tell the students that when we subtract we always start with the larger number. Instead tell them we start with the first number. The reason for this change in language when presenting the problem has to do with building in future concepts. When students start working with integers, they think that they cannot do problems like 3-5 because they have always been told you cannot subtract a larger number from a smaller number. It may seem like a long way off from where you are now but it is important to build in those concepts early.

    From a math specialist.

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  13. Co-KinderingApril 14, 2012 at 5:08 PM

    This is great! I am so glad that I found your blog - you have some awesome ideas! I have a new blog and would love for you to stop by and offer some suggestions!

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  14. KellyOctober 3, 2012 at 5:12 PM

    Just found your blog through Pinterest & love this subtraction idea. Can't wait to use them> Thanks for the freebie!! :)

    your newest follower,
    Kelly
    First Grade Fairytales

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  15. UnknownAugust 26, 2013 at 6:35 AM

    I love these! These are amazing! Thank you so much for sharing these!

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  16. UnknownApril 17, 2014 at 3:08 PM

    This is exactly what I needed. Thank you so much, these are great!!! I think my struggling Kinders will finally get it!!

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  17. AnonymousOctober 3, 2014 at 6:48 PM

    This Looks Great! Starting Subtraction this term and can't wait to use this resource. Thanks for sharing it!

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  18. UnknownDecember 4, 2014 at 7:53 AM

    I LOVE this work mat! Thank you so much for sharing it!

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  19. AnonymousFebruary 18, 2015 at 6:25 PM

    Fabulous!!! Thank you so much. Carrie

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  20. Ms MG OrtizFebruary 19, 2015 at 2:19 PM

    Thanks so much for sharing. Great subtraction mat and materials.

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  21. UnknownFebruary 19, 2015 at 4:47 PM

    Thanks for sharing! Planning to re-teach subtraction with more hands on experiences to solidify their understanding. :)

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  22. AnonymousApril 8, 2015 at 6:21 PM

    I love this! I'm sure my kindergarten students will also. Thank you so much

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  23. UnknownMay 8, 2015 at 12:30 PM

    Hello. I'm a teacher from France. I teach in a small village from last year of kindergarten(5 years old) to 2nd grade (7-8 yo). I have a kid who can't comprehend abstraction in maths (she's a 1st grader) and this will be very helpful. Thaks a lot for sharing!!
    Coline

    P.S.: I found this cause someone pinned it on pinterest

    Thanks again!

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  24. UnknownFebruary 26, 2016 at 6:56 AM

    Thank you for sharing! This is a great addition to my Subtraction resources.

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  25. ShuniferJanuary 27, 2017 at 6:39 PM

    I love everything about this. What a concrete way to increase their understanding. Thanks for sharing.

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    I was recommended this website by my cousin. Thanks!
    Escort Worldwide

    ReplyDelete
  27. Monkey's MamaMay 23, 2018 at 5:07 PM

    Love it - thanks!

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    ReplyDelete
  29. Vicky KennardJuly 2, 2018 at 10:24 PM

    I love the idea and the card format. When you discuss putting the largest number first remember you can take the larger from the smaller, the answer is negative. I would be careful when saying that you always put the larger first, as in the future they will see other options.

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