How to Estimate a Sum by Rounding

The video tutorial from 'The Magic Of Math' guides viewers through solving a standardized math test question by estimating a sum through rounding. The instructor presents a problem involving the addition of four decimal numbers and explains how to round each number to the nearest whole number. The process involves checking the digit to the right of the decimal point to determine whether to round up or keep the number as is. After rounding, the instructor discusses how to choose the closest sum from the given answer choices, ultimately selecting the correct answer. The video concludes with a summary of the solution and an invitation to continue learning math.

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