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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 797 · 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. 1.806 × 6 =
  2. 2.362 × 3 =
  3. 3.485 × 4 =
  4. 4.389 × 5 =
  5. 5.459 × 4 =
  6. 6.571 × 4 =
  7. 7.238 × 8 =
  8. 8.921 × 9 =
  9. 9.411 × 4 =
  10. 10.383 × 5 =
  11. 11.756 × 9 =
  12. 12.621 × 5 =
  13. 13.143 × 7 =
  14. 14.301 × 5 =
  15. 15.692 × 3 =
  16. 16.881 × 4 =
  17. 17.511 × 4 =
  18. 18.126 × 7 =
  19. 19.621 × 9 =
  20. 20.799 × 8 =
  21. 21.367 × 8 =
  22. 22.143 × 3 =
  23. 23.608 × 3 =
  24. 24.879 × 8 =
  25. 25.801 × 7 =
  26. 26.957 × 3 =
  27. 27.149 × 9 =
  28. 28.908 × 3 =
  29. 29.271 × 3 =
  30. 30.243 × 9 =
  31. 31.824 × 7 =
  32. 32.606 × 8 =
  33. 33.214 × 7 =
  34. 34.201 × 7 =
  35. 35.501 × 5 =
  36. 36.791 × 7 =
  37. 37.177 × 4 =
  38. 38.432 × 9 =
  39. 39.938 × 4 =
  40. 40.291 × 4 =

Answer key

  1. 4836
  2. 1086
  3. 1940
  4. 1945
  5. 1836
  6. 2284
  7. 1904
  8. 8289
  9. 1644
  10. 1915
  11. 6804
  12. 3105
  13. 1001
  14. 1505
  15. 2076
  16. 3524
  17. 2044
  18. 882
  19. 5589
  20. 6392
  21. 2936
  22. 429
  23. 1824
  24. 7032
  25. 5607
  26. 2871
  27. 1341
  28. 2724
  29. 813
  30. 2187
  31. 5768
  32. 4848
  33. 1498
  34. 1407
  35. 2505
  36. 5537
  37. 708
  38. 3888
  39. 3752
  40. 1164

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