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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 808 · 40 questions
TalentJR

How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.767 × 3 =
  2. 2.115 × 6 =
  3. 3.739 × 6 =
  4. 4.741 × 9 =
  5. 5.289 × 7 =
  6. 6.734 × 6 =
  7. 7.509 × 4 =
  8. 8.715 × 8 =
  9. 9.373 × 8 =
  10. 10.929 × 5 =
  11. 11.261 × 9 =
  12. 12.205 × 9 =
  13. 13.846 × 5 =
  14. 14.534 × 6 =
  15. 15.768 × 9 =
  16. 16.761 × 7 =
  17. 17.711 × 8 =
  18. 18.241 × 6 =
  19. 19.628 × 9 =
  20. 20.439 × 6 =
  21. 21.335 × 4 =
  22. 22.321 × 7 =
  23. 23.236 × 4 =
  24. 24.867 × 4 =
  25. 25.716 × 9 =
  26. 26.544 × 4 =
  27. 27.847 × 4 =
  28. 28.897 × 7 =
  29. 29.581 × 3 =
  30. 30.685 × 6 =
  31. 31.901 × 4 =
  32. 32.291 × 4 =
  33. 33.614 × 3 =
  34. 34.903 × 7 =
  35. 35.748 × 9 =
  36. 36.619 × 8 =
  37. 37.718 × 5 =
  38. 38.264 × 3 =
  39. 39.146 × 4 =
  40. 40.887 × 9 =

Answer key

  1. 2301
  2. 690
  3. 4434
  4. 6669
  5. 2023
  6. 4404
  7. 2036
  8. 5720
  9. 2984
  10. 4645
  11. 2349
  12. 1845
  13. 4230
  14. 3204
  15. 6912
  16. 5327
  17. 5688
  18. 1446
  19. 5652
  20. 2634
  21. 1340
  22. 2247
  23. 944
  24. 3468
  25. 6444
  26. 2176
  27. 3388
  28. 6279
  29. 1743
  30. 4110
  31. 3604
  32. 1164
  33. 1842
  34. 6321
  35. 6732
  36. 4952
  37. 3590
  38. 792
  39. 584
  40. 7983

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