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Significant Figures: Fundamentals. Use these rules when recording measurements and rounding calculations in chemistry. When Recording a Measurement. Write all the digits you are sure of, plus the first digit that you must estimate in the measurement – the first doubtful digit (the first uncertain digit). Then stop.
Rules for rounding off numbers. If the digit to be dropped is greater than 5, the last retained digit is increased by one. For example, 12.6 is rounded to 13. If the digit to be dropped is less than 5, the last remaining digit is left as it is. For example, 12.4 is rounded to 12.
Rounding to significant figures worksheet This worksheet provides practice at rounding to one, two or three significant figures as well as using rounding to one significant figure when estimating. rounding_to_significant_figures.pdf
Here you will find a range of free printable rounding worksheets to help your child learn to round numbers to either 1,2 or 3 significant figures. These sheets are carefully graded so that the easier sheets come first and give extra support.
Give high school learners repeated exposure in rounding to the fewest sig-figs with these printable worksheets involving multiplication and division. Carry out both operations to simplify the expression in the real-life scenarios and apply the rules to round off. Download the set
This resource shows what significant figures are and how to round numbers to one or two significant figures. Examples include rounding numbers such as 1508.06 and 0.01704.
Rounding to Significant Figures Resource (Free Download) Suitable for Year groups: 8, 9, 10. Rounding to Significant Figures resource description. This example resource shows pupils what significant figures are and how to round numbers to either one or two significant figures.
