Leave the digit the same if the next digit is less than 5 (this is called rounding down) but increase it by 1 if the next digit is 5 or more (this is called rounding up). The rounded value must be a ...

Another way of rounding numbers is to count only the first few digits (maybe \(1\), \(2\) or \(3\) figures) that have a value attached to them. This method of rounding is called significant figures ...

This is a whole lesson on Rounding to Significant Figures which is such a key topic area in mathematics. The lesson looks at how to round to significant figures ...

A worksheet for pupils to round to a given number of significant figures. (or you could buy my Significant Figures Bundle) The worksheet has three differentiated sections called Alpha, Beta and Gamma ...

Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. So far we've talked about the big ideas behind significant ...

Unit 1 Segment C: Significant Figures We explain the rules for using significant figures. Unit 1 Segment C: Significant Figures We take you to a woodworking shop where we explain the rules for using ...