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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 280 · 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. 1.747 × 3 =
  2. 2.378 × 4 =
  3. 3.149 × 7 =
  4. 4.861 × 5 =
  5. 5.617 × 6 =
  6. 6.818 × 8 =
  7. 7.541 × 8 =
  8. 8.734 × 3 =
  9. 9.307 × 4 =
  10. 10.327 × 4 =
  11. 11.509 × 3 =
  12. 12.465 × 4 =
  13. 13.171 × 9 =
  14. 14.125 × 3 =
  15. 15.426 × 6 =
  16. 16.311 × 9 =
  17. 17.708 × 4 =
  18. 18.791 × 3 =
  19. 19.317 × 6 =
  20. 20.291 × 9 =
  21. 21.781 × 3 =
  22. 22.396 × 5 =
  23. 23.261 × 8 =
  24. 24.181 × 9 =
  25. 25.591 × 4 =
  26. 26.461 × 4 =
  27. 27.485 × 6 =
  28. 28.403 × 5 =
  29. 29.189 × 4 =
  30. 30.847 × 6 =
  31. 31.338 × 5 =
  32. 32.627 × 3 =
  33. 33.189 × 6 =
  34. 34.271 × 9 =
  35. 35.253 × 5 =
  36. 36.152 × 9 =
  37. 37.811 × 7 =
  38. 38.578 × 9 =
  39. 39.501 × 8 =
  40. 40.649 × 9 =

Answer key

  1. 2241
  2. 1512
  3. 1043
  4. 4305
  5. 3702
  6. 6544
  7. 4328
  8. 2202
  9. 1228
  10. 1308
  11. 1527
  12. 1860
  13. 1539
  14. 375
  15. 2556
  16. 2799
  17. 2832
  18. 2373
  19. 1902
  20. 2619
  21. 2343
  22. 1980
  23. 2088
  24. 1629
  25. 2364
  26. 1844
  27. 2910
  28. 2015
  29. 756
  30. 5082
  31. 1690
  32. 1881
  33. 1134
  34. 2439
  35. 1265
  36. 1368
  37. 5677
  38. 5202
  39. 4008
  40. 5841

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