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Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values.

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Presentation on theme: "Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values."— Presentation transcript:

1 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem.

2 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 1 : ADD 3.253 + 10.551

3 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 1 : ADD 3.253 + 10.551 3.253 10.551 + Notice how I lined up the decimals…

4 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 1 : ADD 3.253 + 10.551 3.253 10.551 + Now add as usual, carry if needed… 1 13.804

5 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 2 : ADD 7.125 + 0.568 + 5.75

6 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 2 : ADD 7.125 + 0.568 + 5.75 7.125 0.568 5.750 Once again, I lined up the decimals… +

7 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 2 : ADD 7.125 + 0.568 + 5.75 7.125 0.568 5.750 + 13.443 1 1 1 Now add as usual, carry if needed…

8 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 3 : SUBTRACT 44.6 – 24.3

9 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 3 : SUBTRACT 44.6 – 24.3 44.6 24.3 - Line up your decimals…

10 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 3 : SUBTRACT 44.6 – 24.3 44.6 24.3 - Subtract as usual… 20.3

11 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 4 : SUBTRACT 285.08 – 164.5

12 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 4 : SUBTRACT 285.08 – 164.5 285.08 164.50 - Line up your decimals…

13 Addition / Subtraction of Decimal Fractions When adding / subtracting decimal fractions. Be sure to “ line up “ your decimals to keep the place values the same. Add / Subtract each column just like whole numbers, placing the decimal in the answer directly below the decimals in the original problem. EXAMPLE # 4 : SUBTRACT 285.08 – 164.5 285.08 164.50 - Subtract as usual…you might have to borrow 120.58 4 1

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