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Category Archives: Subtraction

In Kindergarten we’ve been learning about how to subtract.  We started off with playing a subtraction game on http://www.starfall.com where students practiced learning how to take away a quantity and solve the equation.

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We then read the story “Will You Be My Valentine?” and then created subtraction story problems about getting valentine candy.

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Today we read the story “Bear Stays up For Christmas” which is a book that is from the same Author’s and the same characters as one of our favorite books “Bear Snores On”.  Both books also has the same kind of format with its repetitive text and rhyming.

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As we read  “Bear Stays up for Christmas” we used our prior knowledge of “Bear Snores On” to predict what would happen next in the story.  Together then we made a whole class venn diagram about how both stories were the same and different.

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For math we continued on with our topic of composing and decomposing the number 10.  Kindergarteners wrote addition story problems about baking Christmas cookies, and the 1st graders wrote subtraction problems about baking and eating Christmas cookies.

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We read the story The Great Turkey Race and discussed problem and solution in the story.  For math we learned how to connect math with story problems and then wrote our own math story problems.  The Kindergarteners learned how to write addition math problems while the 1st graders reviewed subtraction.

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What a busy and fun few days we had for Valentine’s this year!  We started off by making subtraction stories about chocolate candies.

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Then for our Valentine’s Day party we decorated envelopes for our friends to put Valentines in, passed out Valentines cards, had snacks, and made Valentines with our friends and wrote why they were our friends.

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We have been learning quite a bit in math this past month!  In Kindergarten we’ve been learning how to measure using standard / non-standard units.  First grade we have been working on Geometry learning about symmetry, congruence, and making bigger shapes using smaller shapes.

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As a spiral review our K-1 All-Stars have also been completing centers reviewing their addition and subtraction facts.  Kindergarteners were allowed to use counting bears to help them with the concepts.

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We read the story The Great Turkey Race and created our own subtraction story problems to connect it to the story we just read.  Students cut out how many turkeys started out on the farm.  They crossed how many turkeys ran away and wrote how many turkeys were left.

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Sometimes a black sharpie and a copier can be your best friend as a teacher. We have been learning commutative property of addition and fact families of addition and subtraction. So I made the following worksheet along with number cards (three cards for each number sentence) that students could cut out and glue onto the correct spots. It turned out well I think!

977418_10100357350064801_405756892_o Math Fact Families of Addition



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