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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 341 · 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. 1.834 × 6 =
  2. 2.611 × 7 =
  3. 3.267 × 3 =
  4. 4.481 × 8 =
  5. 5.666 × 4 =
  6. 6.469 × 5 =
  7. 7.371 × 4 =
  8. 8.113 × 5 =
  9. 9.631 × 5 =
  10. 10.134 × 7 =
  11. 11.573 × 6 =
  12. 12.794 × 3 =
  13. 13.357 × 8 =
  14. 14.262 × 7 =
  15. 15.148 × 4 =
  16. 16.548 × 3 =
  17. 17.481 × 5 =
  18. 18.663 × 7 =
  19. 19.419 × 5 =
  20. 20.293 × 5 =
  21. 21.197 × 3 =
  22. 22.726 × 4 =
  23. 23.573 × 3 =
  24. 24.408 × 7 =
  25. 25.264 × 5 =
  26. 26.854 × 7 =
  27. 27.761 × 8 =
  28. 28.461 × 7 =
  29. 29.434 × 9 =
  30. 30.221 × 3 =
  31. 31.269 × 6 =
  32. 32.392 × 4 =
  33. 33.606 × 4 =
  34. 34.376 × 9 =
  35. 35.466 × 3 =
  36. 36.338 × 4 =
  37. 37.768 × 8 =
  38. 38.177 × 3 =
  39. 39.782 × 4 =
  40. 40.265 × 7 =

Answer key

  1. 5004
  2. 4277
  3. 801
  4. 3848
  5. 2664
  6. 2345
  7. 1484
  8. 565
  9. 3155
  10. 938
  11. 3438
  12. 2382
  13. 2856
  14. 1834
  15. 592
  16. 1644
  17. 2405
  18. 4641
  19. 2095
  20. 1465
  21. 591
  22. 2904
  23. 1719
  24. 2856
  25. 1320
  26. 5978
  27. 6088
  28. 3227
  29. 3906
  30. 663
  31. 1614
  32. 1568
  33. 2424
  34. 3384
  35. 1398
  36. 1352
  37. 6144
  38. 531
  39. 3128
  40. 1855

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