Properties of Triangles
Students explore the relationship between how big a side of a triangle is and how big its opposite angle is by creating triangles using an interactive website.
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Investigating Properties of Parallelograms
Given different parallelograms, geometers make conjectures about their properties. They then work in small groups to prove (or disprove) their conjectures. The activity provides many opportunities for making conjectures and critiquing...
7th - 10th Math CCSS: Designed
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 instructional activity connects geometry, earth science, and delicious snacks to teach kids...
4th Math CCSS: Designed
Find the Area of a Right Triangle
Help your class develop a greater understanding of the area of a right triangle. The video starts by reviewing the area of a rectangle and noting that the rectangle is made up of two congruent triangles. Learners are then shown that in...
4 mins 5th - 7th Math CCSS: Designed