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Grade 1 · Chapter 3 · Lesson 3.1 · Printable PDF

Subtraction as an Unknown Addend Worksheet with Answer Key

5 problems on subtraction as an unknown addend. 1 page, with a worked answer key.

5 problems1 pagesanswer key
Printable Subtraction as an unknown addend worksheet with answer key - Grade 1 (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. Fill in both boxes.
  2. Circle the one that asks the same thing as 15 − 11.
  3. Dad hides 12 eggs in the yard.
  4. Malik finds 14 − 9.
  5. Amara needs 16 beads for a necklace.

Teach it first

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

Subtraction as an unknown addend: the lesson ›

More Chapter 3 worksheets: Subtraction as finding a missing part