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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 694 · 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. 1.154 × 9 =
  2. 2.311 × 3 =
  3. 3.955 × 6 =
  4. 4.768 × 3 =
  5. 5.811 × 3 =
  6. 6.216 × 5 =
  7. 7.281 × 4 =
  8. 8.936 × 6 =
  9. 9.412 × 6 =
  10. 10.788 × 8 =
  11. 11.911 × 5 =
  12. 12.781 × 8 =
  13. 13.553 × 3 =
  14. 14.278 × 4 =
  15. 15.121 × 3 =
  16. 16.316 × 6 =
  17. 17.304 × 4 =
  18. 18.517 × 3 =
  19. 19.884 × 4 =
  20. 20.897 × 3 =
  21. 21.736 × 9 =
  22. 22.751 × 5 =
  23. 23.952 × 9 =
  24. 24.353 × 5 =
  25. 25.414 × 3 =
  26. 26.336 × 7 =
  27. 27.364 × 8 =
  28. 28.921 × 3 =
  29. 29.756 × 5 =
  30. 30.721 × 3 =
  31. 31.313 × 4 =
  32. 32.201 × 7 =
  33. 33.312 × 9 =
  34. 34.435 × 9 =
  35. 35.282 × 4 =
  36. 36.221 × 4 =
  37. 37.801 × 8 =
  38. 38.401 × 9 =
  39. 39.181 × 4 =
  40. 40.578 × 8 =

Answer key

  1. 1386
  2. 933
  3. 5730
  4. 2304
  5. 2433
  6. 1080
  7. 1124
  8. 5616
  9. 2472
  10. 6304
  11. 4555
  12. 6248
  13. 1659
  14. 1112
  15. 363
  16. 1896
  17. 1216
  18. 1551
  19. 3536
  20. 2691
  21. 6624
  22. 3755
  23. 8568
  24. 1765
  25. 1242
  26. 2352
  27. 2912
  28. 2763
  29. 3780
  30. 2163
  31. 1252
  32. 1407
  33. 2808
  34. 3915
  35. 1128
  36. 884
  37. 6408
  38. 3609
  39. 724
  40. 4624

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