GCSE Secondary Maths Age 13-17 - Number: Decimal Places - Explained

The video tutorial explains how to round a number to three decimal places. It begins by writing the number fully and counting three digits after the decimal point. A dotted line is drawn to separate the digits, and the rounding process is explained, focusing on whether the digit is five or more. The final rounded answer is provided, along with the scoring for the question.

What happens to the digit before the dotted line when rounding?

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Explain the rounding rule applied when the digit after the last significant digit is five or more.

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