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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 138 · 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. 1.537 × 3 =
  2. 2.647 × 4 =
  3. 3.711 × 7 =
  4. 4.153 × 4 =
  5. 5.573 × 6 =
  6. 6.461 × 4 =
  7. 7.906 × 8 =
  8. 8.116 × 7 =
  9. 9.979 × 3 =
  10. 10.719 × 3 =
  11. 11.825 × 4 =
  12. 12.741 × 7 =
  13. 13.332 × 7 =
  14. 14.305 × 3 =
  15. 15.593 × 3 =
  16. 16.898 × 6 =
  17. 17.791 × 5 =
  18. 18.723 × 5 =
  19. 19.774 × 6 =
  20. 20.744 × 4 =
  21. 21.672 × 6 =
  22. 22.458 × 7 =
  23. 23.723 × 7 =
  24. 24.748 × 8 =
  25. 25.705 × 6 =
  26. 26.313 × 4 =
  27. 27.211 × 4 =
  28. 28.347 × 4 =
  29. 29.922 × 9 =
  30. 30.399 × 7 =
  31. 31.188 × 7 =
  32. 32.114 × 6 =
  33. 33.559 × 9 =
  34. 34.338 × 6 =
  35. 35.842 × 6 =
  36. 36.605 × 4 =
  37. 37.292 × 7 =
  38. 38.278 × 7 =
  39. 39.624 × 5 =
  40. 40.341 × 3 =

Answer key

  1. 1611
  2. 2588
  3. 4977
  4. 612
  5. 3438
  6. 1844
  7. 7248
  8. 812
  9. 2937
  10. 2157
  11. 3300
  12. 5187
  13. 2324
  14. 915
  15. 1779
  16. 5388
  17. 3955
  18. 3615
  19. 4644
  20. 2976
  21. 4032
  22. 3206
  23. 5061
  24. 5984
  25. 4230
  26. 1252
  27. 844
  28. 1388
  29. 8298
  30. 2793
  31. 1316
  32. 684
  33. 5031
  34. 2028
  35. 5052
  36. 2420
  37. 2044
  38. 1946
  39. 3120
  40. 1023

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