Grade 4 Mathematics: Angles and Protractors
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Questions and Answers

What term describes the common endpoint of two rays that form an angle?

  • Ray
  • Measure
  • Vertex (correct)
  • Degree
  • Which of the following best describes the rays that form an angle?

  • Curved lines
  • Two rays with a common endpoint (correct)
  • Two lines meeting at a point
  • A single line segment
  • What tool is commonly used to measure angles?

  • Protractor (correct)
  • Ruler
  • Square
  • Compass
  • Which statement about angles is true?

    <p>An angle can be formed by two rays with a shared endpoint.</p> Signup and view all the answers

    In the context of angles, what does the term 'degree' refer to?

    <p>A unit of measure for angles</p> Signup and view all the answers

    Study Notes

    Understanding Angles

    • An angle consists of two rays that share a common endpoint.
    • The shared endpoint of the rays is known as the vertex of the angle.
    • The individual rays that form an angle are referred to as the sides of the angle.

    Measuring Angles

    • Angles are measured in degrees, a standard unit for angular measurement.
    • A protractor is a specific tool designed to measure angles accurately in degrees.

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    Description

    This quiz covers key concepts about angles in grade 4 Mathematics, including the definition of an angle, identifying the vertex, and understanding rays as the sides of an angle. Additionally, it explores the use of a protractor to measure angles in degrees. Test your knowledge on these foundational concepts!

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