Learning Resource Type

Classroom Resource

Predicting the Angle of a Bouncing Ball

Subject Area

Mathematics

Grade(s)

4

Overview

Using a small model, the CyberSquad tests various aiming points and learns about angles of reflection. They use this knowledge to escape a cave. The CyberSquad decides to slide the key along the ice until it bounces off the cave wall and travels to Jackie and Matt on the other side. 

    Mathematics (2019) Grade(s): 4

    MA19.4.24

    Identify an angle as a geometric shape formed wherever two rays share a common endpoint.

    Unpacked Content

    UP:MA19.4.24

    Vocabulary

    • Angle
    • Ray
    • Endpoint
    • Geometric shape
    • Vertex
    • Line
    • Point
    • Line segment

    Knowledge

    Students know:
    • Angles are geometric shapes formed when two rays share a common endpoint.
    • How to draw points, lines, line segments, and rays

    Skills

    Students are able to:
    • Identify an angle as two rays with a common endpoint.

    Understanding

    Students understand that:
    • angles are geometric shapes made of two rays that are infinite in length and are measured with reference to a circle with its center at the common endpoint of the rays.
    Link to Resource

    CR Resource Type

    Audio/Video

    Resource Provider

    PBS
    Accessibility
    License

    License Type

    Custom
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