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Grade 3 Balance the Equation Worksheets

Make both sides the same, like 6 + 4 = __ + 3.

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Missing Numbers · Grade 3

Grade
Topic
SkillEach skill is a different kind of question, with its own levels.
Level
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20

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Grade 3 · 2 pages · A4

Missing Numbers Practice

Grade 3 • Balance the Equation • Subtract on one side
Name:Date:

Write the number that makes both sides equal.

  1. 1) 443 − 264 = ___ + 172
  2. 2) 634 − 198 = ___ + 408
  1. 3) 138 + 83 = ___ − 458
  2. 4) 163 − 10 = ___ + 92
  1. 5) 235 + 71 = ___ − 423
  2. 6) 48 + 180 = ___ − 39
  1. 7) 172 + 89 = ___ − 662
  2. 8) 525 + 41 = ___ − 102
  1. 9) 193 + 48 = ___ − 332
  2. 10) 15 + 130 = ___ − 338
  1. 11) 32 + 615 = ___ − 176
  2. 12) 298 + 289 = ___ − 269
  1. 13) 235 + 179 = ___ − 29
  2. 14) 130 − 29 = ___ + 84
  1. 15) 605 + 87 = ___ − 65
  2. 16) 129 − 3 = ___ + 51
  1. 17) 121 − 22 = ___ + 21
  2. 18) 234 + 529 = ___ − 8
  1. 19) 795 + 67 = ___ − 64
  2. 20) 733 − 382 = ___ + 241
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Page 1 of 2

Answer Key

  1. 1. 7
  2. 2. 28
  3. 3. 679
  4. 4. 61
  1. 5. 729
  2. 6. 267
  3. 7. 923
  4. 8. 668
  1. 9. 573
  2. 10. 483
  3. 11. 823
  4. 12. 856
  1. 13. 443
  2. 14. 17
  3. 15. 757
  4. 16. 75
  1. 17. 78
  2. 18. 771
  3. 19. 926
  4. 20. 110
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Page 2 of 2

What each level generates

Grade 3 balance the equation — the exact skill behind each difficulty setting, straight from the generator.

  1. Level 1Add on both sides
  2. Level 2Subtract on one side
  3. Level 3Blank on the left

Grade levels follow the progression common to most English-language curricula — not one specific national curriculum. Every level shows exactly what it generates, so you can check the fit with your own program. See the full scope & sequence →

More Grade 3 missing numbers skills

Each one generates a different kind of question, with its own three levels and answer key.

Frequently asked questions

▸What do missing factor problems teach in Grade 3?

Division, in disguise. 4 × ___ = 28 is the same question as 28 ÷ 4, and most curricula introduce division exactly this way — so missing-factor fluency converts directly into division fluency.

▸When should a child handle missing dividends like ___ ÷ 6 = 7?

Typically in the second half of Grade 3, after missing factors feel comfortable. A missing dividend requires multiplying back (6 × 7), which is a step more abstract than finding a factor.

▸How many problems should a Grade 3 missing number sheet have?

10–12 for missing factors and dividends. Each blank takes real reasoning, unlike straight fact drill, so a shorter accurate set beats a long rushed one. Adjust with the stepper.

▸Is there a larger, easier-to-read print option?

Yes — switch on the easy-read font in the controls. It uses simpler letterforms and more spacing, which helps students who lose their place or reverse symbols on dense pages.

▸Can my whole class do the identical worksheet?

Yes. Share the link and every student gets the exact same problems; the answer key prints on its own separate page, so you can distribute the sheets without handing out the answers.