Shapes and Angles
NCERT Math Magic for Class 5, Chapter 2, Shapes and Angles, starts with children opening doors, scissors, and matchstick corners. It defines an angle as the opening between two arms, meets the right angle as the corner of a square, and sorts smaller acute angles and wider obtuse angles with a paper right angle tester. Triangles, rectangles, squares, and circles are compared by sides, corners, and curves. Children make angle testers, hunt angles in the classroom, and draw shapes with given corners.
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