GCSE Secondary Maths Age 13-17 - Number: Estimating - Explained

The video tutorial explains how to estimate the number of days required to complete a race by rounding given values to one significant figure. It covers the process of rounding distance, speed, and time, and demonstrates how to use these rounded values to calculate the total time and days needed for the race. The tutorial also discusses the importance of rounding in estimation questions and explains how changes in speed affect the calculations.

What is the final estimated number of days to complete the race?

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How does rounding to one significant figure simplify calculations in this context?

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If the average speed increases to 16.27 mph, how does this affect the calculations?

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