The Truth About Triangles and Squares
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Fourth graders investigate the patterns associated with both triangular and square numbers. They use counters as manipulatives to depict the numbers as needed but focus on problem solving using mental math techniques.
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Frog Garden Party! Toads and Triangles in the Math Garden
It's frog party time! With frog banners, frog juice, and a triangle hunt, your garden party is sure to be both entertaining and educational. The lesson connects geometry, earth science, and delicious snacks to teach kids about ecosystems...
4th Math CCSS: Designed
A Five Day Approach to Using Technology and Manipulatives to Explore Area and Perimeter
Young mathematicians build an understanding of area and perimeter with their own two hands in a series of interactive geometry lessons. Through the use of different math manipulatives, children investigate the properties of rectangles,...
3rd - 6th Math CCSS: Adaptable
Unit of Measures used in Measuring the Area of a Triangle/Parallelogram
Third, fourth, and fifth graders explore area measurement. First, they define and identify parallelograms. They then construct parallelograms on a geoboard and determine the area by covering it with paper square centimeters. They also...
3rd - 5th Math