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Category: Geometry

Family Math Night ‘What do you notice’ Posters

Family Math Night ‘What do you notice’ Posters

I love the idea of having at least one What do you notice? posters at our Family Math Night events.   I started it last year when I did an event at an IB school and the two teachers I was working with wanted to tie in some of the IB inquiry philosophy.  It was really fun to watch the kids standing in front of the posters trying to ‘notice’ things.  Besides, they got an extra Estimation Jar slip for…

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Building Math Skills with Halloween Candy

Building Math Skills with Halloween Candy

Halloween candy seems like an unusual place to find math. But, it turns out, there are some great skill-building activities that can be done with these yummy treats….all in the context of something kids love – candy! Here are four fun and educational post-trick-or-treating activities: ~ CANDY SORT ~ Have your child place all their candy in a pile. Ask her to sort the candy into groups. As she is sorting, ask her why she chose the groups she did….

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Identify, Describe, Analyze, Create, and Reason with Shapes and their Attributes

Identify, Describe, Analyze, Create, and Reason with Shapes and their Attributes

Here’s something super easy to do with kindergartners and first graders that covers a lot of the Common Core geometry standards. You will need one geoboard per student and some geobands. Working in small groups, ask students to design different shapes on their geoboards. Discuss the attributes of the shapes and compare different shapes such as rectangles and triangles. Next, have students create different shapes within specific parameters. For example, design a triangle that touches exactly 4 pegs. See photo…

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Multiplication Facts and the Distributive Property

Multiplication Facts and the Distributive Property

Mathematical properties are actually quite useful when it comes to making sense of math. For example, the commutative property of addition helps make adding numbers a little easier. If we know that the order the numbers are added does not matter, then in the problem 2 + 9, adding the 2 onto the 9 is easier and more efficient than adding the 9 onto the 2. The Common Core State Standards in Mathematics requires all third grade students to know…

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Geometric measurement – Understand concepts of angles and measure angles

Geometric measurement – Understand concepts of angles and measure angles

We’re surrounded by line segments. These line segments create parallel and perpendicular lines, and acute, obtuse and right angles. Looking for them in our environment is a great way to reinforce them. Ask your kids: Who can find a set of parallel lines? …perpendicular lines? …an acute angle? Pretty soon, they’ll be seeing nothing but lines and angles in the tiles on the floor, the branches of the trees, the way an ice hockey puck hits the wall… For older…

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