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| ===Estimated Time=== | | ===Estimated Time=== |
| + | 40 minutes. |
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| === Prerequisites/Instructions, prior preparations, if any === | | === Prerequisites/Instructions, prior preparations, if any === |
| + | #The cylinder is a 3 dimensional solid having curved lateral surface with two circular surfaces on either sides. |
| + | #Basics of circle and rectangle. |
| + | #Formula to find the area of a circle and a rectangle. |
| + | ===Materials/ Resources needed=== |
| + | Digital: Laptop, internet link, projector and a pointer. |
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− | ===Materials/ Resources needed===
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| ===Process (How to do the activity)=== | | ===Process (How to do the activity)=== |
− | How to do the different steps of the activity?
| + | #The teacher can initially discuss about cylinder as a shape and explain its parts. |
− | | + | #She can then talk about what area means. |
− | What kinds of questions you can ask for that activity | + | #Discuss regarding surfaces to be covered in deriving the formula for surface area of the cylinder. |
− | | + | #Project the video and discuss. |
− | What are the student follow-up activities/ questions you can give? | + | Developmental Questions: |
− | | + | #Can youn identify the shapes of the open cylinder? |
− | Categories: (Subject) (Topic) (Sub-concept/topic) (Class 6) (Resource format)
| + | #What is the radius of the circle ? |
− | | + | #What is the formula to find the circumference of the circle. |
− | Example - (Mathematics) (Triangle) (Area) (Perimeter) (Class 6) (Class 8) (Geogebra) (Video)
| + | #Into what shape does the curved surface of the cylinder opens ? |
| + | #What are the measures of height and breadth of the rectangle? |
| + | #What is the formula to find the area of the rectangle ? |
| + | *Evaluation: |
| + | #Can you explain the conversion of circumference of the circle into the length of the rectangle ? |
| + | *Question Corner: |
| + | #What is the difference between lateral and total surface area ? |
| + | #What are the formulae for lateral surface area and total surface area ? |
| + | #Name a few situations wherin one may have to find only the lateral surface area of the cylindrical object ? |