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Drawing right, acute, and obtuse angles
Drawing-right--acute--and-obtuse-angles 256
Description
Exercise Name: Drawing right, acute, and obtuse angles
Math Missions: 4th grade (U.S.) Math Mission, 5th grade (U.S.) Math Mission
Types of Problems: 2

The Drawing right, acute, and obtuse angles exercise is under the 4th grade (U.S.) Math Mission and 5th grade (U.S.) Math Mission. This exercise practices making angles and recognizing how to classify angles by size compared to a right angle.

Types of Problems

There are two types of problems in this exercise:

  1. Draw a type of angle (one option): This problem has the user draw an angle of a certain type using three points. They are also expected to tell why the angle is this type by comparing to 90 degrees.
    DA1

    Draw a type of angle (one option)

  2. Draw a type of angle (multi-option): This problem has the user draw an angle of a certain type but they need to follow the directions given expressly. They are also expected to tell why the angle is this certain type by comparing it to 90 degrees.
    DA2

    Draw a type of angle (multi-option)

Strategies

This exercise is easy to get accuracy badges and the interface for drawing angles is fairly easy to use. It is medium difficulty to attain speed badges because moving things around is not fast to do.

  1. On problem type one the answer always seems to be a 90 degree or right angle. This does not necessarily have to be the case so it is easy to imagine new problems of the type eventually being developed or extended.
  2. On the second type of problem start with vertex at A, move one side through B, then finish the problem.

Real-life Applications

  1. Engineers and architects use angles for designs, roads, buildings and sporting facilities.
  2. Athletes use angles to enhance their performance.
  3. Carpenters use angles to make chairs, tables and sofas.
  4. Artists use their knowledge of angles to sketch portraits and paintings.

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