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7th Grade Math (Math 7) · Chapter 2 · Lesson 2.3 · Printable PDF

Operations with Rational Numbers Worksheet with Answer Key

7 problems on adding and subtracting rational numbers: fractions, mixed numbers and decimals, grouping terms, a student's mixed number mistake, sign reasoning, a number pyramid, and cave elevations. 2 pages, with a worked answer key.

7 problems2 pagesanswer key
Printable Operations with rational numbers worksheet with answer key - 7th Grade Math (Math 7) (Page 1 PDF preview)
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What's on the worksheet

  1. Find each value and give fractions in lowest terms:
  2. Find each value, with mixed numbers or decimals as the answer type fits:
    -4\dfrac{2}{5} + 1\dfrac{1}{2} + 2\dfrac{9}{10}3\dfrac{1}{6} - 5\dfrac{3}{4} - \left(-\dfrac{2}{3}\right)-2\dfrac{3}{5} + 4.15−5.08 + 3.7 − 0.450.65 − 4.3 − (−1.125)
  3. Find a value without converting between fractions and decimals, showing the grouping.
  4. Find the mistake in Diego's work on a negative mixed number.
  5. Order sums and differences of p and q using their signs and sizes.
  6. Fill in a number pyramid where each number is the sum of the two below it.
  7. Word problem: elevations of a caver below the cave entrance.

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

Operations with rational numbers: the lesson ›

More Chapter 2 worksheets: Operations with rational numbers