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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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8 Benefits to Hosting a Nifty Numbers or Math Medley Family Math Night Event

8 Benefits to Hosting a Nifty Numbers or Math Medley Family Math Night Event

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Research indicates over and over the strong correlation between parent involvement and student achievement. One of my favorite books on the topic is Beyond the Bake Sale by Anne T. Henderson, Karen L. Mapp, Vivian R. Johnson, and Don Davies. It’s filled with anecdotes about what works and lots of strategies to begin building strong family-school partnerships. Of course, one way is to host a Family Math Night event. Family Math Night events are a great way to get parents…

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How to Use Rectangular Arrays to Teach Multiplication, Factors, Primes, Composites, Squares

How to Use Rectangular Arrays to Teach Multiplication, Factors, Primes, Composites, Squares

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This is my teacherspayteachers.com first FREEBIE! I chose this particular activity to make as my freebie because the video version has gotten over 4,000 views on YouTube! I figure that means teachers are looking for creative ways to teach multiplication and number theory (properties of number). To get the 5-page pdf, click here. Here’s the video version: .

Fractions: Understanding the Whole

Fractions: Understanding the Whole

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Getting students to understand fractions begins with an understanding of the ‘whole’. Take a look at the three designs in the photo. Begin with the question, “What do you notice?” Students will say obvious things like, “There is one hexagon and two trapezoids in the first design”, or “The center design is the largest.” Accept and encourage all these responses as they will help students build confidence. If no-one offers the idea that each design is half red, prompt them…

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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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