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Problem solving Common Core HSG-CO.A.1 resources
Geometry: Circles and Lines
A collection of problems involving tangents, secants, chords, arc length, degree measure and more. Plenty of discovery, practice and problem solving in this set of 20 exercises. Can be an introduction, practice or review of secants, chords, tangents, arcs and angles formed by these lines in circles. Can be used a classwork, homework, collaborative group work, or remediation. A detailed answer key with CCSS alignment is included.
Subjects:
Grades:
8th - 10th
Types:
CCSS:
Angles of Reflection Bulls-eye Activity
In this activity, students are challenged with reflecting a laser light off of a mirror and hitting a target. In order to do this, students must construct a model of how the laser will travel, calculating the angle of incidence and the angle of reflection, using the plane of the mirror's surface and the normal line that is perpendicular to the plane of the mirror. This activity that can be adapted to be used in any physical science class on waves, rays, and reflection or in a math class on angle
Subjects:
Grades:
7th - 12th, Adult Education
Types:
CCSS:
NGSS:
MS-ETS1-4
, HS-PS4-5
, MS-PS4-2
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