Unit 13
Areas Related to Circles – Elective
Contents
1. Syllabus
2. Scope document
3. Teacher’s Support Material
Teachers’ Note
Activity Skill Matrix
Warm Up W1
Circles, Circles all around
Warm Up W2
Rangoli and Geometry
Pre Content P1
Crossword puzzle – Checking Basics of Circle
Pre –Content P2
Making Picture Dictionary
Pre –Content P3
Introducing Area of Sector
Content Worksheet CW1
Length of an Arc
Content Worksheet CW2
Area of a Sector
Content Worksheet CW3
Area of Segment
Content Worksheet CW4
Combination of Figures
Content Worksheet CW5
Word Problems
Post Content Worksheet PCW1
Post Content Worksheet PCW2 Post Content Worksheet PCW3
Post Content Worksheet PCW4
Post Content Worksheet PCW5
Assessment Plan
4.Study Material
5. Student Support Material
SW1: Warm Up (W1)
Circles, Circles all around
SW2: Warm Up (W2)
Rangoli and Geometry
SW3: Pre Content (P1)
Crossword puzzle – Checking Basics of Circle
SW4: Pre Content (P2)
Making Picture Dictionary
SW5: Pre Content (P3)
Introducing Area of Sector
SW6: Content (CW1)
Length of an Arc
SW7: Content (CW2)
Area of a Sector
SW8: Content (CW3)
Area of Segment
SW9:Content (CW4)
Combination of Figures
SW10: Content (CW5)
Word Problems
SW11: Post Content (PCW1)
SW12: Post Content (PCW2)
SW 13: Post Content (PCW3)
SW 14: Post Content (PCW4)
SW 15: Post Content (PCW4)
Assignment
Suggested Videos & Extra Readings.
Syllabus Introduction
Recall basic terms: perimeter, area
Perimeter and area related to circle
Circumference of circle, length of an arc, area of circle, area of segment, area of sector, area of semicircle
Application
Application problems- area of combination figures
Scope document
Key concepts/terms
1. Length of an arc
2. area of sector
3. area of segment
Learning objectives:
To explain all the terms related to circles. To relate circle and its parts to real life. To introduce the concept of length