NAME ______________________________ DATE _______________

ACTIVITY

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Categories of Triangles

  • 1 Choose one or two Shape Cards that fit in each category. Write the number of the Shape Card under the category it fits in.

    Right Triangle Obtuse Triangle Acute Triangle
    Scalene Triangle Isosceles Triangle Equilateral Triangle
  • 2 Can a scalene triangle also be a right triangle? Why or why not?

    If so, write the number of a shape card that fits both of these categories.


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Table of Contents

Investigations 3 in Number, Data, and Space®, Student Activity Book Unit 1 Puzzles, Clusters, and Towers Unit 2 Prisms and Solids Unit 3 Rectangles, Clocks, and Tracks Unit 4 How Many People and Teams? Unit 5 Temperature, Height, and Growth Unit 6 Between 0 and 1 Unit 7 Races, Arrays, and Grids Unit 8 Properties of Polygons