883
edits
Changes
Jump to navigation
Jump to search
Line 1:
Line 1: − + − ===Learning objectives=== − + − ===Activity No # Different sectors of a circle===+ − + − *Materials/ Resources needed : Laptop, geogebra file, projector and a pointer.+ − *Prerequisites/Instructions, if any+ − # The students should know a circle, centre, radius,circumference and a sector. − # They should know that circle is a planar figure. − *Multimedia resources − *Website interactives/ links/ / Geogebra Applets : − <span> </span> − + − *Process:+ − # Show the geogebra file.+ + + + + − *Developmental Questions:+ − + − *Question Corner+
no edit summary
=== Concept #10 Sector ===
=== Objectives ===
# Slice of a circle enclosed between any two radii is called a sector.
# Slice of a circle enclosed between any two radii is called a sector.
# Semicircle and quadrant are special types of sectors.
# Semicircle and quadrant are special types of sectors.
===Notes for teachers===
===Estimated Time===
*15 minutes
*Estimated Time : 15 minutes
===Prerequisites/Instructions, prior preparations, if any===
* The students should know a circle, centre, radius,circumference and a sector.
* They should know that circle is a planar figure.
<span></span><div id="ggbContainer4674c8acb4d6aa221e9a86e04ff2a055"></div><span></span>
===Materials/ Resources needed===
Laptop, geogebra file, projector and a pointer.
Show the geogebra file.
===Process (How to do the activity)===
<span></span><span></span>
# Move the endpoints of the sector and help them understand the types of sector.
# Move the endpoints of the sector and help them understand the types of sector.
# Name all the points on the circumference.
# Name all the points on the circumference.
# Name the endpoints of the sector.
# Name the endpoints of the sector.
# Name the major and minor sectors.
# Name the major and minor sectors.
# What can you say about the two straight lines of the sector?
# What can you say about the two straight lines of the sector?
*Evaluation
*'''Evaluation'''
# Name the special types of sector?
# Name the special types of sector?
# Give some examples of sector.
# Give some examples of sector.