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• PA.Math.CC.2.3.4.A.1
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The lesson starts with a review of basic geometric terms.Angles are defined.There are four types of angles.A right angle measures 90° and forms a square corner. If you were to sit inside a right angle, you would be sitting straight up.An acute angle measures less than 90° and is open less than a right angle. Acute angles have a smaller measurement. Think of them as small and cute. =) If you were sitting inside an acute angle, you would be bent together like a 'V'.An obtuse angle measures more than 90° and is open more than a right angle. Obtuse angles have a larger measurement. If you were to sit inside a obtuse angle, you would be leaning back as if you were lounging in a beach chair by the pool.A straight angle measures exactly 180° and forms a straight line. If you were to sit inside a straight angle, you would actually have to lay down flat on your back.

Subject:
Mathematics
Geometry
Material Type:
Lesson Plan
Author:
Amanda Muraczewski
Date Added:
03/13/2019
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CC BY-NC-SA
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In this activity, students will use their knowledge of area and perimeter to create a racetrack. Once they have the correct specifications they will guide their car through the track using the properties of magnets.

Subject:
Engineering
Geometry
Measurement and Data
Physical Science
Material Type:
Activity/Lab
Author:
Jamie Hitz
Date Added:
12/05/2018
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CC BY
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Students learn about the history of tangrams.  They will learn about each piece in the tangram puzzle and analyze the shapes to complete geometric puzzles and mathematics problems.

Subject:
Mathematics
Geometry
Material Type:
Lesson Plan
Author:
Lynn Ann Wiscount
Vince Mariner
Erin Halovanic
Date Added:
07/13/2020