Rounding and Scientific Notation

This video from Khan Academy shows gives examples of rounding whole numbers to the nearest ten, hundred and thousand.

Note: All Khan Academy content is available for free at www.khanacademy.org.

This video from Khan Academy shows how to round to the nearest tenth and hundredth using examples.

Note: All Khan Academy content is available for free at www.khanacademy.org.

This video from Khan Academy gives an example of estimating the sum of two whole numbers using rounding.

Note: All Khan Academy content is available for free at www.khanacademy.org.

This video from patrickJMT shows how to estimate the result of some decimal arithmetic operations by rounding.

Note: All patrickJMT content is available for free at www.youtube.com/user/patrickJMT.

Patrick JMT’s Website: www.patrickjmt.com.

Pages 6-7 of these notes from MathCentre discuss rounding a decimal to a certain number of decimal places or significant figures. There are also exercises on page 7 with answers at the end of the document.

A pdf of this document can be downloaded here.

This NUMBAS exercise lets you practise rounding numbers to various degrees of accuracy.

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This video from Khan Academy shows you how to write a given number in decimal representation as one in scientific notation, and vice versa. This covers writing both large and small numbers.

Note: All Khan Academy content is available for free at www.khanacademy.org.

This video from Krista King describes division of numbers written in scientific notation, as well as converting an example of division in decimal notation to one in scientific notation.

Note: All Krista King content is available for free at www.youtube.com/c/Integralcalc.

Krista King’s Website: www.kristakingmath.com .

These notes from MathCentre discuss the ideas behind scientific notation, give some examples, and have instructions on using your calculator when dealing with scientific notation.

A pdf of this document can be downloaded here.

These NUMBAS exercises from TEAM-E let you get some practice converting from decimal to scientific notation and vice versa, and also multiplying and dividing numbers written in scientific notation.

Please click here to view this NUMBAS question in another window.

Please click here to view this NUMBAS question in another window.