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From Karnataka Open Educational Resources
→Activity No # 1.Identifying quadrilaterals.
===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
*Estimated time
*Estimated time
10-15 minutes
10-15 minutes
Geogebra activities on Quadrilateral [http://www.geogebratube.org/material/show/id/3785 click here]
Geogebra activities on Quadrilateral [http://www.geogebratube.org/material/show/id/3785 click here]
*Process:
*Process:
# Keep ready wooden blocks of mixed polygons.
# Keep ready flash cards of different plane figures.
# Tell students to take out blocks and trace them on a paper.
# Can give 1 set to a group of 5 children.
# Ask them to sort their pattern blocks – do not tell them how to sort.
# Ask students to observe the plane figures individually.
# Let them use their own sorting method and sort the figures by making columns and drawing on a sheet of paper.
# Go around and have each student tell you how they sorted. Write the different ways on the board. For duplicates, begin making tallies.
# Go around and have each student tell you how they sorted. Write the different ways on the board. For duplicates, begin making tallies.
# Refer to the list (some students should have mentioned that they sorted by the number of sides). Point out the number of sides/angles as the sorting rule.
# Refer to the list (some students should have mentioned that they sorted by the number of sides). Point out the number of sides/angles as the sorting rule.
# Tell students that all of the blocks with four sides and four angles belong to the same family. That family is the “Quadrilateral” family. Explain that the blocks can have many names – just like you can be called many names.
# Tell students that all of the figures with four sides and four angles belong to the same family. That family is the “Quadrilateral” family.
# Have the students to fold their paper in half and to draw a line down the middle of the paper. On one half of the paper, write the word “Quadrilaterals”. On the other half of the paper write the words “Not Quadrilaterals.”
# Explain that quadrilaterals is a family of 4 sided plane figures.
# Have students draw each of shape pattern block on the correct side of the paper.
# Also tell them about the differnt types of quadrilaterals.
# When all of the students have traced the pattern blocks on their papers, have different students come and present their method. The student should place a pattern block on the correct half of the paper so that students can all check their work.
# Have the students to fold their paper in half and to draw a line down the middle of the paper. On one half of the paper, write the word “Quadrilaterals”. On the other half of the paper write the words “Not Quadrilaterals.” Let them sort with this given rule.
# Have students draw each of shapes on the correct side of the paper.
# When all of the students have drawn on their papers, ask them if they can recognise any of the special quadrilaterals and if they can name them.
# Next the teacher can show them the geogebra file and formally introduce the naming of quadrilaterals.
*Developmental Questions:
*Developmental Questions:
# What type of figures are these ?
# What type of figures are these ?
# What are plane figures ?
# What are plane figures ?
# From the traced figures, what parts of the figures do you identify ?
# Name the parts of the figures ?
# What are polygons ?
# What are polygons ?
# Are all figures the same ?
# Are all figures the same ?
*Evaluation
*Evaluation
# What do all of your quadrilaterals have in common?<br>
# What do all of your quadrilaterals have in common?<br>
# Why did you put the hexagon on this half of the page?
# Why did you put the hexagon on this half of the page?
# Can you combine your blocks to make different quadrilaterals?
# Can you combine your blocks to make different quadrilaterals?
