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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 337 · 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. 1.318 × 6 =
  2. 2.154 × 8 =
  3. 3.661 × 4 =
  4. 4.481 × 9 =
  5. 5.868 × 4 =
  6. 6.164 × 4 =
  7. 7.557 × 3 =
  8. 8.375 × 5 =
  9. 9.259 × 7 =
  10. 10.231 × 8 =
  11. 11.897 × 8 =
  12. 12.261 × 3 =
  13. 13.318 × 3 =
  14. 14.719 × 3 =
  15. 15.616 × 6 =
  16. 16.894 × 6 =
  17. 17.786 × 7 =
  18. 18.181 × 3 =
  19. 19.518 × 4 =
  20. 20.598 × 4 =
  21. 21.801 × 5 =
  22. 22.464 × 3 =
  23. 23.571 × 8 =
  24. 24.632 × 3 =
  25. 25.941 × 9 =
  26. 26.215 × 3 =
  27. 27.276 × 4 =
  28. 28.321 × 8 =
  29. 29.217 × 8 =
  30. 30.478 × 4 =
  31. 31.322 × 9 =
  32. 32.961 × 9 =
  33. 33.631 × 3 =
  34. 34.672 × 3 =
  35. 35.418 × 5 =
  36. 36.285 × 6 =
  37. 37.761 × 9 =
  38. 38.379 × 4 =
  39. 39.321 × 5 =
  40. 40.279 × 8 =

Answer key

  1. 1908
  2. 1232
  3. 2644
  4. 4329
  5. 3472
  6. 656
  7. 1671
  8. 1875
  9. 1813
  10. 1848
  11. 7176
  12. 783
  13. 954
  14. 2157
  15. 3696
  16. 5364
  17. 5502
  18. 543
  19. 2072
  20. 2392
  21. 4005
  22. 1392
  23. 4568
  24. 1896
  25. 8469
  26. 645
  27. 1104
  28. 2568
  29. 1736
  30. 1912
  31. 2898
  32. 8649
  33. 1893
  34. 2016
  35. 2090
  36. 1710
  37. 6849
  38. 1516
  39. 1605
  40. 2232

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