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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 502 · 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. 1.526 × 4 =
  2. 2.279 × 4 =
  3. 3.522 × 6 =
  4. 4.417 × 6 =
  5. 5.282 × 4 =
  6. 6.779 × 6 =
  7. 7.244 × 3 =
  8. 8.441 × 3 =
  9. 9.952 × 8 =
  10. 10.598 × 9 =
  11. 11.547 × 4 =
  12. 12.335 × 3 =
  13. 13.946 × 3 =
  14. 14.669 × 3 =
  15. 15.627 × 6 =
  16. 16.296 × 4 =
  17. 17.723 × 3 =
  18. 18.896 × 6 =
  19. 19.515 × 4 =
  20. 20.334 × 5 =
  21. 21.157 × 9 =
  22. 22.421 × 8 =
  23. 23.178 × 9 =
  24. 24.294 × 8 =
  25. 25.701 × 9 =
  26. 26.745 × 4 =
  27. 27.141 × 4 =
  28. 28.912 × 9 =
  29. 29.822 × 6 =
  30. 30.137 × 9 =
  31. 31.938 × 4 =
  32. 32.465 × 6 =
  33. 33.445 × 3 =
  34. 34.291 × 6 =
  35. 35.959 × 6 =
  36. 36.796 × 8 =
  37. 37.988 × 4 =
  38. 38.188 × 6 =
  39. 39.167 × 5 =
  40. 40.166 × 8 =

Answer key

  1. 2104
  2. 1116
  3. 3132
  4. 2502
  5. 1128
  6. 4674
  7. 732
  8. 1323
  9. 7616
  10. 5382
  11. 2188
  12. 1005
  13. 2838
  14. 2007
  15. 3762
  16. 1184
  17. 2169
  18. 5376
  19. 2060
  20. 1670
  21. 1413
  22. 3368
  23. 1602
  24. 2352
  25. 6309
  26. 2980
  27. 564
  28. 8208
  29. 4932
  30. 1233
  31. 3752
  32. 2790
  33. 1335
  34. 1746
  35. 5754
  36. 6368
  37. 3952
  38. 1128
  39. 835
  40. 1328

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