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Triangles Resources for Test Prep

Geometry - Triangles Resources for Test Prep


Links verified on 04/09/2026


  1. Acute, Right, and Obtuse Angles - video lesson from Khan Academy A video is available through this link
  2. Acute, Right, Obtuse, and Straight Angles - online game. Select answer about what type of angle displayed.
  3. Angle Classification: Acute, Right, Obtuse - explanation followed by fill-in-the-blank questions
  4. Adjacent Angles - online game that checks answers. If miss a question, gives the option to watch a video explaining concept.
  5. Alien Angles - Space aliens are lost. What can we do? Play this game to find the aliens, using a protractor.
  6. Angles - explanation, with illustrations, of acute, right, obtuse and straight angles followed by questions for checking understanding
  7. Angles - Students practice their knowledge of acute, obtuse and alternate angles.
  8. Angles - [designed for grade 6] Interactive game to help recognize angles.
  9. Angles of 90, 180, 270 and 360 Degrees - choose the correct answer when you identify the angles. There is a video to help students in case they miss the answers.
  10. Angles Around a Point Game - calculate the angle.
  11. Classifying and Identifying Angles Worksheets - This page contains worksheets in identifying types, classifying angles, measure and classify, drawing examples according to the given type, identifying types from multiple rays, classifying angles in geometric shapes, types of angles formed by clocks, counting types and classification charts
  12. Drawing Angles Game - Draw angles as accurately as you can and improve your angle sense in this interactive game.
  13. 8 Angles Activities for Kids to Make Geometry Lessons More Engaging - Create these games for fun activites in your classroom.
  14. Estimating Angles - an online game. You can either play on your own or challenge a friend. The closer you get to the target angle the more points you will score.
  15. Geometry Building Blocks: Classifying Angles - explanation and drawings
    1. Examples to go with the lesson above
    2. Quiz to follow the lesson
  16. Measuring Angles with a Protractor - Practice lining up and reading a protractor while you measure a set of angles in this fun learning activity at Math Playground.
  17. Names of Angles - definition and drawings of each type
  18. Triangle Explorer - Students learn about areas of triangles and about the Cartesian coordinate system through experimenting with triangles drawn on a grid.
  19. Triangles Quiz - [designed for grade 4] multiple-choice quiz from IXL This site includes questions for your students to check their understanding
  20. What's Your Angle - lesson plan from Scholastic An Adobe Acrobat document in .pdf format A lesson plan can be found at this site



A resource for the teacher to use in planning their lessons site for teachers | A PowerPoint show related to this standard PowerPoint show | An Adobe Acrobat document in .pdf format Acrobat document | A Microsoft Word document to be downloaded Word document | This interactive site would work well on an interactive whiteboard whiteboard resource | This resource includes voice instructions for students sound | A video is available through this link video format | This site is interactive and allows students to play a game or input or collect data interactive lesson | This site includes questions for your students to check their understanding a quiz | A lesson plan can be found at this site lesson plan | This link includes something for the teacher to print to print

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