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Adding and Subtracting Decimals - Term Papers

Adding and Subtracting Decimals

Adding and subtracting decimals is faily straightforward when all the decimals are lined up. Use these worksheets to ensure students understand where the decimal is placed when adding numbers. A wonderful strategy for placing the decimal is to use estimation. For example if the question is 49.2 + 20.1, the answer without the decimal is 693. Estimate by rounding 49.2 to 50 and 20.1 to 20. 50 + 20 = 70. The decimal in 693 must be placed between the 9 and the 3 as in 69.3 to make the number close to the estimate of 70.
The above strategy will go a long way in students understanding operations with decimals, but it is also important that they have a strong foundation in place value and a ...

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Adding and Subtracting Decimals. (2012, July 3). Retrieved November 5, 2024, from http://www.essayworld.com/essays/Adding-and-Subtracting-Decimals/101238

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PAPER DETAILS

Added: 7/3/2012 05:17:08 PM
Submitted By: canhdonghoang06
Category: Miscellaneous
Type: Free Paper
Words: 145
Pages: 1

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