How to Estimate in Maths #21

The video tutorial explains the concept of estimation, highlighting that it is a method of rough calculation to get an answer close to the true value. It discusses techniques like rounding numbers to significant figures and applies these techniques to a real-life scenario of estimating the cost of laying astroturf in a garden. The tutorial emphasizes the importance of balancing rounding up and down to minimize errors and achieve a result in the right ballpark.

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