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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 168 · 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. 1.766 × 7 =
  2. 2.849 × 4 =
  3. 3.127 × 3 =
  4. 4.711 × 5 =
  5. 5.409 × 8 =
  6. 6.364 × 4 =
  7. 7.614 × 9 =
  8. 8.883 × 4 =
  9. 9.307 × 3 =
  10. 10.944 × 4 =
  11. 11.975 × 3 =
  12. 12.771 × 4 =
  13. 13.721 × 5 =
  14. 14.864 × 8 =
  15. 15.467 × 9 =
  16. 16.788 × 8 =
  17. 17.335 × 9 =
  18. 18.518 × 6 =
  19. 19.651 × 7 =
  20. 20.557 × 7 =
  21. 21.222 × 5 =
  22. 22.379 × 7 =
  23. 23.257 × 5 =
  24. 24.502 × 6 =
  25. 25.403 × 7 =
  26. 26.877 × 9 =
  27. 27.953 × 3 =
  28. 28.459 × 7 =
  29. 29.989 × 4 =
  30. 30.324 × 5 =
  31. 31.561 × 7 =
  32. 32.116 × 4 =
  33. 33.181 × 3 =
  34. 34.872 × 6 =
  35. 35.268 × 6 =
  36. 36.961 × 5 =
  37. 37.168 × 8 =
  38. 38.471 × 4 =
  39. 39.421 × 3 =
  40. 40.662 × 6 =

Answer key

  1. 5362
  2. 3396
  3. 381
  4. 3555
  5. 3272
  6. 1456
  7. 5526
  8. 3532
  9. 921
  10. 3776
  11. 2925
  12. 3084
  13. 3605
  14. 6912
  15. 4203
  16. 6304
  17. 3015
  18. 3108
  19. 4557
  20. 3899
  21. 1110
  22. 2653
  23. 1285
  24. 3012
  25. 2821
  26. 7893
  27. 2859
  28. 3213
  29. 3956
  30. 1620
  31. 3927
  32. 464
  33. 543
  34. 5232
  35. 1608
  36. 4805
  37. 1344
  38. 1884
  39. 1263
  40. 3972

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