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Chapter 1 Number

1.2 Place Value and Estimating

1.2 Place Value and Estimating

To estimate the answer means to find a value that is close enough to the right answer, usually with some thought or calculation involved. In this section, you learn about, Place value, rounding to a specified degree of accuracy, rounding, Rounding to a given number of decimal places, Rounding to a given number of significant figures, decimal places, significant figures, approximate answers using estimates, and approximation.


To estimate the answer means to find a value that is close enough to the right answer, usually with some thought or calculation involved. In this section, you learn about, Place value, rounding to a specified degree of accuracy, rounding, Rounding to a given number of decimal places, Rounding to a given number of significant figures, decimal places, significant figures, approximate answers using estimates, and approximation.


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Estimating the answer and finding the approximate value.

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