Angles in 2-D shapes

Subject: Mathematics

Grade: Upper Primary

Publisher: YDP

Resource types: Class activity

Resource ID: j216
Description:

At the end of this activity, students should be able to:
– know precise definitions of acute, right, obtuse and reflex angles
– estimate measures of given angles
– construct an exact copy of a given angle
– check, using a compass, whether two angles are equal.

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Angles in 2-D shapes Whiteboard presentation

Consists of...
Flying angles Student activity Acute angles Student activity Obtuse angles Student activity Reflex angles Student activity Making angles that ... Student activity Making angles that ... Student activity Are two angles equal? Student activity Angles of quadrilat... Student activity Angles of polygons Student activity

Relevant to...

Primary School

Upper Primary (Grades 4-6)

Mathematics

Space, shape and measures (1)

26. Angles in 2-D shapes

YDP SA

Keywords

reflex, acute, angle, plane, dimension, shapes, angles, obtuse, 2-d, Angles in 2-D shapes

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