NAME ______________________________ DATE _______________

HOMEWORK

Sorting Triangles

Write the numbers of all of the triangles that belong in each category. You may use the corner of a sheet of paper as a “right angle tester.”

A group of 14 numbered triangles. d
  • 1 Which of the triangles are right triangles?

    ______________________________

  • 2 Which triangles have 3 acute angles?

    ______________________________

  • 3 Which triangles have 1 obtuse angle?

    ______________________________

NOTE

Students practice identifying angles and classifying triangles by their angle sizes.

MWI Classifying Triangles


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Table of Contents

Investigations 3 in Number, Data, and Space®, Student Activity Book Unit 1 Arrays, Factors, and Multiplicative Comparison Unit 2 Generating and Representing Measurement Data Unit 3 Multiple Towers and Cluster Problems Unit 4 Measuring and Classifying Shapes Unit 5 Large Numbers and Landmarks Unit 6 Fraction Cards and Decimal Grids Unit 7 How Many Packages and Groups? Unit 8 Penny Jars and Towers