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7th Grade Math (Math 7) · Chapter 5 · Lesson 5.1 · Printable PDF

Combining Like Terms Worksheet with Answer Key

5 problems on combining like terms with negative coefficients: simplifying expressions, deciding which are equivalent, adding two expressions, a student's mistake, and a card game score. 2 pages, with a worked answer key.

5 problems2 pagesanswer key
Printable Combining like terms worksheet with answer key - 7th Grade Math (Math 7) (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. Simplify each expression, reading every term with its sign.
    -6p + 11p - 28 - 3r - 12 + r-y - 4y + 7y5c^2 - 2c - 7c^2 + 9c-2.5n + 4 - 0.75n
  2. Decide which expressions are equivalent to a given one by simplifying.
    -2y + 46 - 3y + y - 22y - 4y - 3y + 9 - 5-5y + 8 - 3y - 4
  3. Simplify P and Q and then add them.
  4. Show that Jenny's simplified expression is wrong and explain her mistake.
  5. Word problem: Leah's score in a card game with gold and black cards.

Teach it first

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

Combining like terms: the lesson ›

More Chapter 5 worksheets: Equivalent expressions