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6th Grade Math (Math 6) · Chapter 3 · Lesson 3.4 · Printable PDF

Adding and Subtracting Decimals Worksheet with Answer Key

6 problems on adding and subtracting decimals to hundredths: lining up decimal points, a canoe trip with rounding, shipping box masses, finding two wrong answers, and picking numbers from a list. 2 pages, with a worked answer key.

6 problems2 pagesanswer key
Printable Adding and subtracting decimals worksheet with answer key - 6th Grade Math (Math 6) (Page 1 PDF preview)
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Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

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What's on the worksheet

  1. Add or subtract each pair or group of decimals, lining up the points.
    4.7 + 3.8512.06 + 7.950.9 + 6.48 + 2.79.31 − 4.615 − 8.27
  2. Word problem: round and add Sofia's canoe distances, then find the third day.
  3. Word problem: round and add the parcel masses in Jin's two boxes.
  4. Find the mistakes in Mei's and Ryan's answers to the same subtraction.
  5. Pick which two numbers from a list add to 6 or differ by 1.55.
  6. Find the missing digits in an addition and a subtraction, and explain how you found each.

Teach it first

The free lesson teaches it with worked examples and practice problems.

Adding and subtracting decimals: the lesson ›

More Chapter 3 worksheets: Decimal fluency