Chapter 6: Understanding Elementary Shapes

Topic 1: Measuring line segments

Topic 2: Comparison  using ruler and divider

Topic 3: Angles- ‘Right ‘ and ‘Straight’

Topic 4: Angles- ‘Acute’, ‘Obtuse’ and  ‘reflex’

Topic 5: Measuring angles using a protractor

Topic 6: Construction of angle using a protractor

Topic 7: Construction of angle using set squares and ruler

Topic 8: Perpendicular lines

Topic 9: Draw a perpendicular using set squares

Topic 10: Triangles

Topic 11; Naming triangles based on angles and sides 

Topic 12 : Quadrilaterals

Topic 13: Polygons

Topic 14: Three dimensional shapes : Faces, edges and vertices

Practice problems

Note book

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