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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 774 · 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. 1.509 × 9 =
  2. 2.501 × 8 =
  3. 3.551 × 6 =
  4. 4.421 × 8 =
  5. 5.326 × 7 =
  6. 6.952 × 7 =
  7. 7.187 × 4 =
  8. 8.188 × 9 =
  9. 9.833 × 6 =
  10. 10.631 × 9 =
  11. 11.212 × 5 =
  12. 12.876 × 7 =
  13. 13.497 × 3 =
  14. 14.811 × 6 =
  15. 15.669 × 4 =
  16. 16.979 × 3 =
  17. 17.932 × 4 =
  18. 18.121 × 8 =
  19. 19.756 × 4 =
  20. 20.302 × 9 =
  21. 21.335 × 8 =
  22. 22.364 × 4 =
  23. 23.457 × 9 =
  24. 24.666 × 7 =
  25. 25.253 × 7 =
  26. 26.311 × 7 =
  27. 27.225 × 6 =
  28. 28.525 × 8 =
  29. 29.597 × 4 =
  30. 30.586 × 8 =
  31. 31.715 × 7 =
  32. 32.552 × 3 =
  33. 33.342 × 9 =
  34. 34.882 × 3 =
  35. 35.375 × 9 =
  36. 36.735 × 3 =
  37. 37.249 × 7 =
  38. 38.183 × 7 =
  39. 39.621 × 9 =
  40. 40.396 × 4 =

Answer key

  1. 4581
  2. 4008
  3. 3306
  4. 3368
  5. 2282
  6. 6664
  7. 748
  8. 1692
  9. 4998
  10. 5679
  11. 1060
  12. 6132
  13. 1491
  14. 4866
  15. 2676
  16. 2937
  17. 3728
  18. 968
  19. 3024
  20. 2718
  21. 2680
  22. 1456
  23. 4113
  24. 4662
  25. 1771
  26. 2177
  27. 1350
  28. 4200
  29. 2388
  30. 4688
  31. 5005
  32. 1656
  33. 3078
  34. 2646
  35. 3375
  36. 2205
  37. 1743
  38. 1281
  39. 5589
  40. 1584

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