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Mathematics > Grade 4 > Measurement and Data
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Mathematics | Grade : 4

Domain - Measurement and Data

Cluster - Geometric measurement: understand concepts of angle and measure angles.

[4.MD.C.5] - Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement:

Resources:

    Predecessor Standards:

    No Predecessor Standards found.

    Successor Standards:

    • AII.F-TF.A.1
      Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle.
    • MI.G-CO.A.1
      Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc.
    • MIII.F-TF.A.1
      Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle.
    • 5.ESS.1.2
      Use a model to communicate Earth’s relationship to the Sun, Moon, and other stars that explain (a) why people on Earth experience day and night, (b) patterns in daily changes in length and direction of shadows over a day, and (c) changes in the apparent position of the Sun, Moon, and stars at different times during a day, over a month, and over a year. Clarification Statement: Models should illustrate that the Earth, Sun, and Moon are spheres; include orbits of the Earth around the Sun and of the Moon around Earth; and demonstrate Earth’s rotation about its axis. State Assessment Boundary: Causes of lunar phases or seasons, or use of Earth’s tilt are not expected in state assessment.

    Same Level Standards:

    • 4.G.A.1
      Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.
    • 4.PS.4.2
      Develop a model to describe that light must reflect off an object and enter the eye for the object to be seen. State Assessment Boundary: Specific colors reflected and seen, the cellular mechanisms of vision, angles of incidence and reflection, or how the retina works are not expected in state assessment.