Difference between revisions of "Surface area and volume of a cube"

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===Objectives===
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===Estimated Time===
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15 minutes.
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===Prerequisites/Instructions, prior preparations, if any===
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#Cube and its properties should have been done.
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#Formula to find the area of a square.
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===Materials/ Resources needed===
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Laptop, geogebra file, projector and a pointer.
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===Process (How to do the activity)===
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#Project the geogebra file that would enable the students to visualise an opened cube.
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#Ask the following questions.
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*Developmental Questions:
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#What is the formula to find the area of a square ?
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#What does the term 'area' mean ?
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#What is the meaning of total surface area ?
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#How many squares are there totally in a cube ?
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#Therefore what is the total surface area of a cube.?
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#What does the term 'lateral' mean ?
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#What is lateral surface area ?
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#How many squares are there in a lateral surface of a cube ?
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#Hence what is the formula to find the lateral surface area of a cube ?
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#What does the term 'volume'mean ?
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#What is the formula for volume in general?
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#What is the formula for volume of cube ?
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*Evaluation
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#Were the students able to comprehend the difference between area and volume ?
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#Were they able to understand the distinction between the lateral surface area and total surface area ?
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*Question Corner:
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#What is the formula to find the area for a cuboid cantainer with no lid and with lid ?
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#Give some examples of objects which are cuboidal in shape.

Revision as of 06:15, 24 May 2019

Objectives

Estimated Time

15 minutes.

Prerequisites/Instructions, prior preparations, if any

  1. Cube and its properties should have been done.
  2. Formula to find the area of a square.

Materials/ Resources needed

Laptop, geogebra file, projector and a pointer.

Process (How to do the activity)

  1. Project the geogebra file that would enable the students to visualise an opened cube.
  2. Ask the following questions.
  • Developmental Questions:
  1. What is the formula to find the area of a square ?
  2. What does the term 'area' mean ?
  3. What is the meaning of total surface area ?
  4. How many squares are there totally in a cube ?
  5. Therefore what is the total surface area of a cube.?
  6. What does the term 'lateral' mean ?
  7. What is lateral surface area ?
  8. How many squares are there in a lateral surface of a cube ?
  9. Hence what is the formula to find the lateral surface area of a cube ?
  10. What does the term 'volume'mean ?
  11. What is the formula for volume in general?
  12. What is the formula for volume of cube ?
  • Evaluation
  1. Were the students able to comprehend the difference between area and volume ?
  2. Were they able to understand the distinction between the lateral surface area and total surface area ?
  • Question Corner:
  1. What is the formula to find the area for a cuboid cantainer with no lid and with lid ?
  2. Give some examples of objects which are cuboidal in shape.
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