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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 455 · 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. 1.595 × 7 =
  2. 2.693 × 8 =
  3. 3.954 × 5 =
  4. 4.973 × 7 =
  5. 5.782 × 8 =
  6. 6.213 × 5 =
  7. 7.277 × 5 =
  8. 8.404 × 3 =
  9. 9.449 × 3 =
  10. 10.529 × 4 =
  11. 11.891 × 4 =
  12. 12.955 × 6 =
  13. 13.167 × 9 =
  14. 14.741 × 8 =
  15. 15.207 × 7 =
  16. 16.188 × 9 =
  17. 17.927 × 9 =
  18. 18.527 × 5 =
  19. 19.499 × 4 =
  20. 20.297 × 4 =
  21. 21.863 × 6 =
  22. 22.749 × 4 =
  23. 23.666 × 9 =
  24. 24.906 × 9 =
  25. 25.426 × 3 =
  26. 26.968 × 9 =
  27. 27.558 × 4 =
  28. 28.295 × 7 =
  29. 29.811 × 4 =
  30. 30.327 × 6 =
  31. 31.929 × 6 =
  32. 32.491 × 3 =
  33. 33.701 × 4 =
  34. 34.312 × 7 =
  35. 35.571 × 4 =
  36. 36.941 × 5 =
  37. 37.409 × 4 =
  38. 38.233 × 3 =
  39. 39.321 × 5 =
  40. 40.765 × 3 =

Answer key

  1. 4165
  2. 5544
  3. 4770
  4. 6811
  5. 6256
  6. 1065
  7. 1385
  8. 1212
  9. 1347
  10. 2116
  11. 3564
  12. 5730
  13. 1503
  14. 5928
  15. 1449
  16. 1692
  17. 8343
  18. 2635
  19. 1996
  20. 1188
  21. 5178
  22. 2996
  23. 5994
  24. 8154
  25. 1278
  26. 8712
  27. 2232
  28. 2065
  29. 3244
  30. 1962
  31. 5574
  32. 1473
  33. 2804
  34. 2184
  35. 2284
  36. 4705
  37. 1636
  38. 699
  39. 1605
  40. 2295

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