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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 154 · 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. 1.845 × 7 =
  2. 2.757 × 6 =
  3. 3.238 × 8 =
  4. 4.807 × 7 =
  5. 5.854 × 3 =
  6. 6.657 × 9 =
  7. 7.418 × 3 =
  8. 8.224 × 3 =
  9. 9.144 × 8 =
  10. 10.811 × 4 =
  11. 11.504 × 5 =
  12. 12.741 × 5 =
  13. 13.112 × 9 =
  14. 14.116 × 7 =
  15. 15.577 × 5 =
  16. 16.699 × 4 =
  17. 17.195 × 7 =
  18. 18.219 × 8 =
  19. 19.959 × 8 =
  20. 20.595 × 5 =
  21. 21.891 × 3 =
  22. 22.178 × 3 =
  23. 23.853 × 7 =
  24. 24.941 × 8 =
  25. 25.201 × 9 =
  26. 26.331 × 6 =
  27. 27.121 × 4 =
  28. 28.866 × 3 =
  29. 29.621 × 8 =
  30. 30.778 × 4 =
  31. 31.686 × 4 =
  32. 32.881 × 8 =
  33. 33.354 × 4 =
  34. 34.182 × 5 =
  35. 35.136 × 7 =
  36. 36.538 × 5 =
  37. 37.146 × 8 =
  38. 38.371 × 7 =
  39. 39.274 × 5 =
  40. 40.977 × 3 =

Answer key

  1. 5915
  2. 4542
  3. 1904
  4. 5649
  5. 2562
  6. 5913
  7. 1254
  8. 672
  9. 1152
  10. 3244
  11. 2520
  12. 3705
  13. 1008
  14. 812
  15. 2885
  16. 2796
  17. 1365
  18. 1752
  19. 7672
  20. 2975
  21. 2673
  22. 534
  23. 5971
  24. 7528
  25. 1809
  26. 1986
  27. 484
  28. 2598
  29. 4968
  30. 3112
  31. 2744
  32. 7048
  33. 1416
  34. 910
  35. 952
  36. 2690
  37. 1168
  38. 2597
  39. 1370
  40. 2931

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