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Category: Number and Operations

Common Core Mathematics Standards Focus – Commutative Property of Addition

Common Core Mathematics Standards Focus – Commutative Property of Addition

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Making sense of and understanding mathematics is the foundation of the new Common Core State Standards in Mathematics.  It is not enough that kids can compute with numbers – they must understand why those computations work.  Enter Number Theory, the part of math that explores numbers and how they relate to each other.  At the heart of Number Theory are the properties of number.  One of the first ones students will encounter is the Commutative Property of Addition.  It states…

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Data Analysis and Problem-Solving in Second Grade

Data Analysis and Problem-Solving in Second Grade

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What a treat it was for me to work with two second graders yesterday in Mrs. Durbin’s class. Mrs. Durbin created a fun project for these two high math students to provide them with extra challenge. I’m there to help facilitate them while she teaches the rest of the class. When I arrived for my first session with them last week, they had already collected their data. Their chosen topic was sports equipment in the primary grades. They wanted to…

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Big Dice for Little Kids – Practicing Number

Big Dice for Little Kids – Practicing Number

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How do we get our young children comfortable with numbers? We count things with them. Lots and lots of things. We count the number of forks on the table, the number of grapes on the plate, the number of pennies in our pocket. Counting just becomes something we do. Here’s a fun, hands-on project that turns counting into a game. You’ll need: -1-2 empty “cube” tissue boxes (the boxes are not exactly cubes, but close enough) -colored construction paper -glue…

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A Yummy Way to Practice Number Facts

A Yummy Way to Practice Number Facts

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How yummy is this activity! Oh yeah…and it’s a fun way to practice beginning number facts. I use the double six dominoes, but it’s easy to diferentiate by providing only dominoes that represent the facts you want students to work on. In other words, if you have a student who is still struggling with adding one to a given number, then use only the dominoes that have one dot (pip) on one side. For example, five dots on one side…

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Halloween Literature in the Math Classroom

Halloween Literature in the Math Classroom

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This book is TOO FUN! The illustrations alone are priceless. It’s a Halloween twist on the traditional The 12 Days of Christmas song. I always like to read the story first without too many interruptions. Although, be sure to have the students see if they can find the dog on each of the pages! They love that. Then we get into the math. With my younger students, we use Unifix cubes to determine the total number of gifts on day…

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