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Add/Subtract Decimals

Mathematics, Grade 4

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Study Guide Add/Subtract Decimals Mathematics, Grade 4

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ADD AND SUBTRACT DECIMALS What Is Adding and Subtracting Decimals? Addition and subtraction of decimals is like adding and subtracting whole numbers. The only thing we must remember is to line up the place values correctly. How to Add and Subtract Decimals: To Add decimals: • First line the numbers up in a column, lining up the decimal points. • Add down the columns, starting at the right. • Continue to add down the columns, moving from right to left. Example: 2.5 + 3.4 5.9 © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
To Subtract decimals: • First, line the numbers up in a column, lining up the decimal points. • Subtract down the columns, starting at the right. • Continue to subtract down the columns, moving from right to left. • Borrow when necessary. 0 12 18 Example: 13.8 - 9.9 3.9 Try This! Addition 0.9 4.88 + 0.3 + 1.26 Subtraction 6.2 1.45 - 3.8 - 0.79 © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
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