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Grade 2 Challenge: Missing Digit Puzzles Worksheet with Answers

Grade 2 (US) · Year 3 (UK) · Class 2 (India) · Math

Unit 6: Going FurtherChallenge PuzzlesChallenge

Finding the hidden digit that makes an addition, subtraction or multiplication true. This free early elementary worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Challenge: Missing Digit Puzzles

Grade 2 · Math

Score___ / 12

Name

Class

Date

Learning goal: Challenge Puzzles

Directions: Solve each problem. Show your work, then write your answer in the box.

Example

Find the missing digit: 51 + □0 = 121

Answer: 7

  1. 1

    Find the missing digit: □79 - 348 = 231

    Answer
  2. 2

    Find the missing digit: 703 - 26□ = 443

    Answer
  3. 3

    Find the missing digit: 779 + □82 = 1261

    Answer
  4. 4

    Find the missing digit: 350 + 1□7 = 457

    Answer
  5. 5

    Find the missing digit: 661 + 722 = 13□3

    Answer
  6. 6

    Find the missing digit: 38□ + 288 = 673

    Answer
  7. 7

    Find the missing digit: 4□2 - 155 = 247

    Answer
  8. 8

    Find the missing digit: 728 - 316 = 4□2

    Answer
  9. 9

    Find the missing digit: 59□ + 255 = 846

    Answer
  10. 10

    Find the missing digit: □93 + 893 = 1586

    Answer
  11. 11

    Find the missing digit: 739 + 718 = □457

    Answer
  12. 12

    Find the missing digit: 545 + 42□ = 966

    Answer

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Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/2/challenge_missing_digits

Answer key (click to show)
  1. 1.5
  2. 2.0
  3. 3.4
  4. 4.0
  5. 5.8
  6. 6.5
  7. 7.0
  8. 8.1
  9. 9.1
  10. 10.6
  11. 11.1
  12. 12.1

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How to use this worksheet

  • Keep it short: a few questions at a time works better than a whole page at once for young learners.
  • Read the questions aloud together if your child is still building reading confidence.
  • Check the answers straight after, while the thinking is still fresh, and praise effort as well as results.

Related worksheets

Challenge: Missing Digit Puzzles at other grades

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More Grade 2 Math worksheets

Grade 2 Challenge: Mystery Number RiddlesGrade 2 Challenge: Magic SquaresGrade 2 Multiplication Facts (0–12)Grade 2 Telling Time to the MinuteGrade 2 Find the MistakeGrade 2 Bar Model Word ProblemsGrade 2 Balance Scale PuzzlesGrade 2 Number Pyramids

Guides for teaching Challenge: Missing Digit Puzzles

How to Teach Kids to Tell Time: A Step-by-Step PlanStart with the hour hand, then half hours, five minutes, single minutes and elapsed time — the order that makes analog clocks click, plus games and common mix-ups.How to Help Your Child with Math Homework (Without Doing It for Them)Questions to ask instead of answers to give, what to do when the school's method looks different from yours, and how to handle frustration.How to Solve Math Word Problems: A 4-Step MethodRead, plan, solve, check — a simple routine for any word problem, with worked examples and the keyword trap to avoid.

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Does this Grade 2 Challenge: Missing Digit Puzzles worksheet come with answers?

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