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Find missing digits in column sums

3rd grade (Year 4 in England) · 16 questions · Common Core: 3.NBT.A.2 · England: Y3 Addition and subtraction, Y4 Addition and subtraction

Name

Date

Score/ 16

  1. Question 1

    525 − ▢86 = 139. What digit is ▢?

    Answer

  2. Question 2

    4▢8 + 188 = 666. What digit is ▢?

    Answer

  3. Question 3

    642 − ▢21 = 421. What digit is ▢?

    Answer

  4. Question 4

    15▢ + 310 = 468. What digit is ▢?

    Answer

  5. Question 5

    581 − ▢09 = 372. What digit is ▢?

    Answer

  6. Question 6

    ▢29 + 176 = 705. What digit is ▢?

    Answer

  7. Question 7

    575 − 2▢1 = 304. What digit is ▢?

    Answer

  8. Question 8

    ▢88 + 137 = 625. What digit is ▢?

    Answer

  9. Question 9

    475 − 28▢ = 191. What digit is ▢?

    Answer

  10. Question 10

    ▢32 + 113 = 445. What digit is ▢?

    Answer

  11. Question 11

    616 − 3▢9 = 257. What digit is ▢?

    Answer

  12. Question 12

    57▢ + 399 = 969. What digit is ▢?

    Answer

  13. Question 13

    415 − 15▢ = 256. What digit is ▢?

    Answer

  14. Question 14

    23▢ + 388 = 626. What digit is ▢?

    Answer

  15. Question 15

    961 − 6▢6 = 305. What digit is ▢?

    Answer

  16. Question 16

    2▢3 + 314 = 597. What digit is ▢?

    Answer

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Answer key: Find missing digits in column sums

  1. 1. 3

  2. 2. 7

  3. 3. 2

  4. 4. 8

  5. 5. 2

  6. 6. 5

  7. 7. 7

  8. 8. 4

  9. 9. 4

  10. 10. 3

  11. 11. 5

  12. 12. 0

  13. 13. 9

  14. 14. 8

  15. 15. 5

  16. 16. 8