Difference between revisions of "Theorems and problems on parallelograms"
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| + | This video proves the theorem-If a triangle and paralleologram are on the same base and between same parallels, then the area of triangle is equal to half of the parallelogram | ||
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| + | {{#widget:YouTube|id=Jc6GKk5lB5Y}} | ||
==Useful websites== | ==Useful websites== | ||
==Reference Books== | ==Reference Books== | ||
Revision as of 15:41, 11 October 2017
| Philosophy of Mathematics |
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Concept Map
Textbook
Karnataka state textbook :Chapter 9
Additional Information
This video proves the theorem-If a triangle and paralleologram are on the same base and between same parallels, then the area of triangle is equal to half of the parallelogram
Useful websites
Reference Books
Teaching Outlines
Concept #
Learning objectives
Notes for teachers
These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.
Activity No #
- Estimated Time
- Materials/ Resources needed
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ Geogebra Applets
- Process (How to do the activity)
- Developmental Questions (What discussion questions)
- Evaluation (Questions for assessment of the child)
- Question Corner
Activity No #
- Estimated Time
- Materials/ Resources needed
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ Geogebra Applets
- Process (How to do the activity)
- Developmental Questions (What discussion questions)
- Evaluation (Questions for assessment of the child)
- Question Corner
Concept #
Learning objectives
Notes for teachers
These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.
Activity No #
- Estimated Time
- Materials/ Resources needed
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ Geogebra Applets
- Process (How to do the activity)
- Developmental Questions (What discussion questions)
- Evaluation (Questions for assessment of the child)
- Question Corner
Activity No #
- Estimated Time
- Materials/ Resources needed
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ Geogebra Applets
- Process (How to do the activity)
- Developmental Questions (What discussion questions)
- Evaluation (Questions for assessment of the child)
- Question Corner
Hints for difficult problems
Here is a micro analysis of solution for a problem [geometry_problemsolving.odt here]
| Sln | Explanation | Analysis | |||
| 1 | 
|
Drawing ABCD.Cyclic orderD above | |||
| 2 | AB=CD=4X | Propertiesof parallelogram | |||
| 3 | AD=BC=2X+1 | Propertiesof parallelogram | |||
| 4 | AD=BC=2X+1 | Propertiesof parallelogram | 5 | AD=BC=2X+1 | Propertiesof parallelogram |
| 6 | AD=BC=2X+1 | Propertiesof parallelogram | |||
| 7 | AD=BC=2X+1 | Propertiesof parallelogram | |||
| 8 | AD=BC=2X+1 | Propertiesof parallelogram |
|}
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