Nelson EducationSchoolMathematics 5  
Lesson 3  Classifying Triangles by Angles
Kinds of Angles  Select the correct type of angle. Make Angles  See examples of obtuse and acute angles. Identifying Types of Triangles by Angles  Determine the correct type of triangle based on the angles. Star Gazing  Using a telescope and a protractor, measure angles to help Digit fill his cyber site scrapbook.

