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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 764 · 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. 1.421 × 4 =
  2. 2.362 × 8 =
  3. 3.958 × 3 =
  4. 4.426 × 4 =
  5. 5.128 × 6 =
  6. 6.526 × 6 =
  7. 7.818 × 8 =
  8. 8.206 × 9 =
  9. 9.485 × 8 =
  10. 10.458 × 9 =
  11. 11.426 × 5 =
  12. 12.436 × 6 =
  13. 13.809 × 5 =
  14. 14.696 × 5 =
  15. 15.351 × 8 =
  16. 16.567 × 7 =
  17. 17.624 × 8 =
  18. 18.819 × 6 =
  19. 19.491 × 3 =
  20. 20.381 × 4 =
  21. 21.958 × 6 =
  22. 22.343 × 8 =
  23. 23.615 × 4 =
  24. 24.232 × 5 =
  25. 25.813 × 5 =
  26. 26.793 × 8 =
  27. 27.775 × 6 =
  28. 28.354 × 9 =
  29. 29.418 × 5 =
  30. 30.326 × 4 =
  31. 31.202 × 9 =
  32. 32.534 × 5 =
  33. 33.679 × 9 =
  34. 34.208 × 9 =
  35. 35.399 × 7 =
  36. 36.823 × 8 =
  37. 37.798 × 5 =
  38. 38.501 × 3 =
  39. 39.846 × 9 =
  40. 40.639 × 3 =

Answer key

  1. 1684
  2. 2896
  3. 2874
  4. 1704
  5. 768
  6. 3156
  7. 6544
  8. 1854
  9. 3880
  10. 4122
  11. 2130
  12. 2616
  13. 4045
  14. 3480
  15. 2808
  16. 3969
  17. 4992
  18. 4914
  19. 1473
  20. 1524
  21. 5748
  22. 2744
  23. 2460
  24. 1160
  25. 4065
  26. 6344
  27. 4650
  28. 3186
  29. 2090
  30. 1304
  31. 1818
  32. 2670
  33. 6111
  34. 1872
  35. 2793
  36. 6584
  37. 3990
  38. 1503
  39. 7614
  40. 1917

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