Changes

===Notes for teachers===

===Notes for teachers===

# The teacher can ask the students to gather information regarding earlier informal measuring ways from their elders and have an initial discussion in the classroom.

# The teacher can ask the students to gather information regarding earlier informal measuring ways from their elders and have an initial discussion in the classroom.

===Activity No # Estimating distances===

===Activity No # 1. Estimating distances===

{| style="height:10px; float:right; align:center;"

{| style="height:10px; float:right; align:center;"

|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">

|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">

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*Estimated Time :1 hour

*Estimated Time :1 hour

*Materials/ Resources needed : Sticks,  

*Materials/ Resources needed : Sticks, ropes, writing pad, pencil.

*Prerequisites/Instructions, if any

*Prerequisites/Instructions, if any

# The students should know ways of informal measurements.

# The students should have been introduced to different forms of informal measurements.

# They should have ability to measure and document their findings accurately.  

# They should have the ability to measure and document their findings accurately.  

*Multimedia resources  

*Multimedia resources  

*Website interactives/ links/ / Geogebra Applets

*Website interactives/ links/ / Geogebra Applets

# The teacher can ask the students to determine the distances of library, principal's room, playground, dining hall, entrance gate from their classroom using various informal measuring methods.

# The teacher can ask the students to determine the distances of library, principal's room, playground, dining hall, entrance gate from their classroom using various informal measuring methods.

# The children can decide which method to use - whether foot, sticks or ropes.

# The children can decide which method to use - whether foot, sticks or ropes.

# The task can be done in groups of 5 children.

# The task can be done in groups of 3 children.

# Document and compare the results.

# Document and compare the results.

# Discuss regarding the length of distance.

# Discuss regarding the length of distance.

# Similarly what are the points of reference for other places.

# Similarly what are the points of reference for other places.

# How do we mark them.

# How do we mark them.

# Which measuring unit are you using ?

# Which measuring unit have you chosen ?

# How will you document the findings ?

# How will you document the findings ?

# How can we tabulate our findings on board for comparisons ?

# How can we tabulate our findings on board for comparisons ?

# How can we measure curves?

# How can we measure curves?

# What are the problems with informal measuring units?

# What are the problems with informal measuring units?

 

===Activity No # ===

===Activity No # ===