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Lesson 5: Cost Estimation
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Volume of Pyramid
Lesson 5 · Cost Estimation
Volume of Pyramid
Mathematics
Subject
8 min
Estimated read
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Note
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Worked Examples
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Activity
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Points to Remember
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Practice Questions
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Practice Test
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Presentation
Activity 1
Filling a cube from a pyramid
Method
Using card paper, make a square based pyramid and a cube that have equal base area and equal height.
Make the models so that they can hold sand or flour: leave the base of the pyramid and the top of the cube open.
Estimate how many times the pyramid must be filled and poured into the cube to fill the cube completely.
Fill the pyramid with sand or flour, pour it into the cube, and count the pourings until the cube is full.
Check whether your estimate was correct.
Present the conclusion you have drawn to your class.
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