Changes

# The word quadrilateral comes from two latin words "quadri" which means a "variant of 4" and 'latera' which means 'side'. A quadrilateral is a 4 sided figure with 4 sides, 4 angles and 4 vertices.

# The word quadrilateral comes from two latin words "quadri" which means a "variant of 4" and 'latera' which means 'side'. A quadrilateral is a 4 sided figure with 4 sides, 4 angles and 4 vertices.

===Activity No # 1.Identifying quadrilaterals.===

===Activity No # 1. Identifying quadrilaterals.===

*Materials/ Resources needed

*Materials/ Resources needed

Flash cards of different plane figures , blank paper, Scale, colored pencils

Flash cards of different plane figures , blank paper, Scale, colored pencils

*Estimated time

*Estimated time: 40 minutes

40 minutes

*Prerequisites/Instructions, if any

*Prerequisites/Instructions, if any

# The students should have prior knowledge of sides, angles and vertices.

# The students should have prior knowledge of sides, angles and vertices.