Adding and Subtracting decimals Adding and Subtracting Decimals

Adding and Subtracting decimals Adding and Subtracting Decimals Lytze Garcia Period 1 6/26/14

Term/word Definition Adding One under the other, with the decimal points lined up. Put in zeros so the numbers have the same length. Then add using column addition, remembering to put the decimal point in the answer. Subtracting One under the other, with the decimal points lined up. Put in zeros so the numbers have the same length. Then subtracting using column subtraction , remembering to put the decimal point in the answer. Decimals A fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point. Estimate An approximate calculation or judgment of the value, number, quantity, or extent of something, roughly calculate or judge the value, number, quantity, or extent. Example/Pictur e

example Adding decimals word problem: Carly has $5. 59 but her sister gave her $4. 25. How much does Carly have First what you got to do is put one under the now? other. Make sure that the decimal points are lined 9. 89 up and just bring drown decimal point. After you +8. 50 bring the decimal point then you start to add. 18. 39 Subtracting Decimals word problem: Sam had $12. 50 but she lost $5. 00. How much did Sam lost? 15. 69 -10. 45 5. 24 It’s just like addition you have to put one under the other and line up the decimals points. After you line up the decimal points you just bring down the decimal point and then you start subtracting.

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