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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 614 · 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. 1.471 × 4 =
  2. 2.833 × 4 =
  3. 3.221 × 6 =
  4. 4.413 × 6 =
  5. 5.428 × 8 =
  6. 6.878 × 8 =
  7. 7.946 × 6 =
  8. 8.146 × 5 =
  9. 9.989 × 9 =
  10. 10.319 × 6 =
  11. 11.192 × 6 =
  12. 12.275 × 4 =
  13. 13.271 × 3 =
  14. 14.693 × 7 =
  15. 15.814 × 5 =
  16. 16.469 × 8 =
  17. 17.301 × 7 =
  18. 18.681 × 9 =
  19. 19.751 × 8 =
  20. 20.705 × 6 =
  21. 21.317 × 3 =
  22. 22.308 × 6 =
  23. 23.139 × 8 =
  24. 24.718 × 5 =
  25. 25.884 × 9 =
  26. 26.932 × 3 =
  27. 27.913 × 6 =
  28. 28.415 × 6 =
  29. 29.201 × 4 =
  30. 30.585 × 9 =
  31. 31.825 × 6 =
  32. 32.591 × 8 =
  33. 33.762 × 7 =
  34. 34.893 × 3 =
  35. 35.629 × 4 =
  36. 36.431 × 4 =
  37. 37.223 × 4 =
  38. 38.231 × 7 =
  39. 39.216 × 8 =
  40. 40.258 × 7 =

Answer key

  1. 1884
  2. 3332
  3. 1326
  4. 2478
  5. 3424
  6. 7024
  7. 5676
  8. 730
  9. 8901
  10. 1914
  11. 1152
  12. 1100
  13. 813
  14. 4851
  15. 4070
  16. 3752
  17. 2107
  18. 6129
  19. 6008
  20. 4230
  21. 951
  22. 1848
  23. 1112
  24. 3590
  25. 7956
  26. 2796
  27. 5478
  28. 2490
  29. 804
  30. 5265
  31. 4950
  32. 4728
  33. 5334
  34. 2679
  35. 2516
  36. 1724
  37. 892
  38. 1617
  39. 1728
  40. 1806

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