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From Karnataka Open Educational Resources
→Activity No #
e. Consecutive angles supplementary.
e. Consecutive angles supplementary.
===Notes for teachers===
===Notes for teachers===
===Activity No # ===
===Activity No # 1. Introducing parallelograms===
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{| 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;">
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
|}
|}
*Estimated Time
*Estimated Time : 40 minutes.
*Materials/ Resources needed
*Materials/ Resources needed:
*Prerequisites/Instructions, if any
Laptop, geogebra file, projector and a pointer.
*Multimedia resources
*Prerequisites/Instructions, if any:
# The students should know sides, parallel lines, diagnols and angles.
# They should know naming basic figures like square, rectangle and rhombus.
*Multimedia resources: Laptop
*Website interactives/ links/ / Geogebra Applets
*Website interactives/ links/ / Geogebra Applets
*Process/ Developmental Questions
*Process:
*Evaluation
# The teacher can use this geogebra file to introduce parallelograms to students.
*Question Corner
# She can move the vertices A or B or c and observe different parallelograms formed like square, rectangle and rhombus.
# Bring their attention to measures of sides, angles and diagnols.
*Developmental Questions:
# Can you identify the figure ?
# How many sides does this figure have ?
# What do we call a figure with 4 sides ?
# Are all 4 sides equal ?
# What are parallel lines ?
# Identify the 2 sets of parallel lines.
# Spell out the differences between the figures formed with respect to sides, angles and diagnols.
# What common features do you observe in all figures/shapes formed ?
*Evaluation:
# What are parallelograms ?
# Are square, rectangle and rhombus parallelograms ?
# How many pairs of parallel lines does a parallelogram have ?
*Question Corner:
# Are all parallelograms quadrilaterals ?
# Is kite a parallelogram ?
===Activity No # ===
===Activity No # ===
