MA19.4.25

Mathematics (2019) Grade(s): 4

MA19.4.25

Use a protractor to measure angles in whole-number degrees and sketch angles of specified measure.

Unpacked Content

Knowledge

Students know:
  • Measurable attributes of geometric shapes, specifically angle size.
  • Units of measurement, specifically one-degree angle (degrees).
  • An angle is measured by the number or iterations of one-degree angles that exactly cover the rotation of the angle.

Skills

Students are able to:
  • Sketch angles given a specified measure.
  • Use appropriate tools to find angle measure.

Understanding

Students understand that:
  • the rotation of an angle is measured by the number of one-degree angles that exactly cover the rotation of the angle.

Vocabulary

  • Protractor
  • Angle
  • Whole number
  • Degree
  • Center
  • Circle
  • Intersect
  • Arc
  • Point
  • Ray
  • One-degree angle
  • Vertex

Aligned Learning Resources

Measuring Angles
Measure Angles StudyJam
Construct Angles StudyJam
Circle Graph StudyJam
Understanding the Pythagorean Theorem
Colorful Angles
Measurement: What's Your Angle?
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