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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 759 · 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. 1.909 × 4 =
  2. 2.257 × 8 =
  3. 3.416 × 5 =
  4. 4.621 × 8 =
  5. 5.322 × 4 =
  6. 6.324 × 7 =
  7. 7.348 × 4 =
  8. 8.468 × 4 =
  9. 9.113 × 4 =
  10. 10.466 × 3 =
  11. 11.449 × 7 =
  12. 12.204 × 4 =
  13. 13.262 × 8 =
  14. 14.858 × 3 =
  15. 15.793 × 6 =
  16. 16.141 × 5 =
  17. 17.848 × 9 =
  18. 18.765 × 6 =
  19. 19.846 × 4 =
  20. 20.804 × 4 =
  21. 21.974 × 7 =
  22. 22.593 × 5 =
  23. 23.663 × 5 =
  24. 24.267 × 4 =
  25. 25.642 × 9 =
  26. 26.709 × 4 =
  27. 27.888 × 9 =
  28. 28.287 × 5 =
  29. 29.289 × 8 =
  30. 30.951 × 9 =
  31. 31.252 × 6 =
  32. 32.249 × 7 =
  33. 33.571 × 8 =
  34. 34.753 × 6 =
  35. 35.986 × 6 =
  36. 36.789 × 7 =
  37. 37.261 × 4 =
  38. 38.971 × 6 =
  39. 39.955 × 4 =
  40. 40.183 × 5 =

Answer key

  1. 3636
  2. 2056
  3. 2080
  4. 4968
  5. 1288
  6. 2268
  7. 1392
  8. 1872
  9. 452
  10. 1398
  11. 3143
  12. 816
  13. 2096
  14. 2574
  15. 4758
  16. 705
  17. 7632
  18. 4590
  19. 3384
  20. 3216
  21. 6818
  22. 2965
  23. 3315
  24. 1068
  25. 5778
  26. 2836
  27. 7992
  28. 1435
  29. 2312
  30. 8559
  31. 1512
  32. 1743
  33. 4568
  34. 4518
  35. 5916
  36. 5523
  37. 1044
  38. 5826
  39. 3820
  40. 915

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