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## Classify angles and triangles as obtuse, acute, or right. (0406.4.3)

1. Angle Worksheets - many worksheets from Super Teacher Worksheets
2. Angles - practice knowledge of acute, obtuse and alternate angles.
3. Classifying Angles - multiple-choice quiz
4. Find the Angles - find acute, obtuse, and right angles in a drawing
5. Identify Geometric Shapes - Match the shape with the correct name to uncover a picture
6. Identifying Triangles by Their Sides - instruction and review, practice, and a quiz and
7. Identifying Types of Triangles by Angles - instruction and review, practice, and a quiz and
8. Is this angle acute, right, obtuse, or straight? - multiple-choice quiz
9. Measure Angles With a Protractor - multiple-choice quiz, determine if angles are obtuse, right, or acute
10. Three Types of Angles - label each angle as acute, obtuse, or right
11. Triangle Explorer - Students learn about areas of triangles and about the Cartesian coordinate system through experimenting with triangles drawn on a grid.
12. Triangle Identification - type of triangle, given its angles - instruction and review, practice, and a quiz and
13. Triangles - identify angles and triangles on this worksheet, an answer page is included
14. Types of Triangles - multiple-choice quiz
15. Using a Protractor - use a protractor (on the worksheet) to measure angles
16. Using a Protractor (2) - use a protractor (on the worksheet) to measure angles
17. Using a Protractor (3) - use a protractor (not included on the worksheet) to measure angles
18. Using a Protractor (4) - use a protractor (not included on the worksheet) to measure angles
19. What Fraction of a Turn is this Angle? - multiple-choice quiz

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