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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 401 · 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. 1.228 × 6 =
  2. 2.726 × 6 =
  3. 3.619 × 4 =
  4. 4.215 × 6 =
  5. 5.874 × 5 =
  6. 6.167 × 6 =
  7. 7.299 × 6 =
  8. 8.239 × 4 =
  9. 9.842 × 9 =
  10. 10.434 × 4 =
  11. 11.127 × 9 =
  12. 12.148 × 6 =
  13. 13.543 × 5 =
  14. 14.801 × 6 =
  15. 15.661 × 3 =
  16. 16.672 × 3 =
  17. 17.738 × 6 =
  18. 18.151 × 5 =
  19. 19.881 × 7 =
  20. 20.742 × 3 =
  21. 21.387 × 4 =
  22. 22.264 × 4 =
  23. 23.272 × 5 =
  24. 24.149 × 9 =
  25. 25.922 × 4 =
  26. 26.343 × 6 =
  27. 27.241 × 5 =
  28. 28.618 × 3 =
  29. 29.939 × 9 =
  30. 30.818 × 6 =
  31. 31.686 × 6 =
  32. 32.161 × 8 =
  33. 33.511 × 6 =
  34. 34.638 × 7 =
  35. 35.251 × 6 =
  36. 36.926 × 4 =
  37. 37.491 × 8 =
  38. 38.624 × 5 =
  39. 39.906 × 4 =
  40. 40.511 × 8 =

Answer key

  1. 1368
  2. 4356
  3. 2476
  4. 1290
  5. 4370
  6. 1002
  7. 1794
  8. 956
  9. 7578
  10. 1736
  11. 1143
  12. 888
  13. 2715
  14. 4806
  15. 1983
  16. 2016
  17. 4428
  18. 755
  19. 6167
  20. 2226
  21. 1548
  22. 1056
  23. 1360
  24. 1341
  25. 3688
  26. 2058
  27. 1205
  28. 1854
  29. 8451
  30. 4908
  31. 4116
  32. 1288
  33. 3066
  34. 4466
  35. 1506
  36. 3704
  37. 3928
  38. 3120
  39. 3624
  40. 4088

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