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Grade 04 Mathematics - EC: M04.D-M.3.1.1

Grade 04 Mathematics - EC: M04.D-M.3.1.1

Continuum of Activities

Continuum of Activities

The list below represents a continuum of activities: resources categorized by Standard/Eligible Content that teachers may use to move students toward proficiency. Using LEA curriculum and available materials and resources, teachers can customize the activity statements/questions for classroom use.

This continuum of activities offers:

  • Instructional activities designed to be integrated into planned lessons
  • Questions/activities that grow in complexity
  • Opportunities for differentiation for each student’s level of performance

Activities

  1. Name the tool used to measure angles.
  1. Identify the measure of the following angle.
  1. What is the measure of the given angle?

  1. Draw an angle that is 145°
  1. List the steps on how to draw an angle that is 50°, and then draw the angle.
  1. What is the measure of the angle, and explain how you found it.

Answer Key/Rubric

  1. Protractor
  1. The angle is 40°
  1. The measure of the angle is 75°  (the students can be off degrees)
  1. Angles drawn should be within plus or minus 2 degrees of 145.

  1. The steps for drawing a 50° angle might include, but are not limited to:
  • Draw a ray for the bottom of the angle
  • Line up a protractor with the ray the you have drawn
  • Find the 50° marker on the protractor
  • Draw another ray starting from the endpoint on the first ray that you drew and have it go through the 50° mark on the protractor

  1. The measure of the angle is 115°.
    Acceptable explanations may include, but are not limited to:
  • Line up a protractor on the angle (make sure the vertex and bottom ray are lined up properly)
  • Look to see what type of angle you are measuring (acute, right, obtuse)
  • Once you determine what type of angle it is you can see what set of numbers to use on the protractor.
  • Find the value where the ray of the angle crosses the protractor.
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