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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 576 · 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. 1.514 × 8 =
  2. 2.171 × 5 =
  3. 3.398 × 3 =
  4. 4.822 × 4 =
  5. 5.263 × 6 =
  6. 6.228 × 8 =
  7. 7.515 × 9 =
  8. 8.526 × 5 =
  9. 9.402 × 9 =
  10. 10.577 × 9 =
  11. 11.605 × 8 =
  12. 12.961 × 8 =
  13. 13.634 × 4 =
  14. 14.808 × 4 =
  15. 15.749 × 7 =
  16. 16.727 × 7 =
  17. 17.711 × 7 =
  18. 18.232 × 4 =
  19. 19.482 × 4 =
  20. 20.292 × 3 =
  21. 21.839 × 3 =
  22. 22.637 × 3 =
  23. 23.391 × 8 =
  24. 24.531 × 9 =
  25. 25.464 × 6 =
  26. 26.475 × 9 =
  27. 27.197 × 7 =
  28. 28.782 × 6 =
  29. 29.438 × 4 =
  30. 30.467 × 9 =
  31. 31.905 × 4 =
  32. 32.318 × 6 =
  33. 33.495 × 9 =
  34. 34.445 × 3 =
  35. 35.251 × 9 =
  36. 36.147 × 3 =
  37. 37.902 × 7 =
  38. 38.521 × 7 =
  39. 39.355 × 7 =
  40. 40.657 × 8 =

Answer key

  1. 4112
  2. 855
  3. 1194
  4. 3288
  5. 1578
  6. 1824
  7. 4635
  8. 2630
  9. 3618
  10. 5193
  11. 4840
  12. 7688
  13. 2536
  14. 3232
  15. 5243
  16. 5089
  17. 4977
  18. 928
  19. 1928
  20. 876
  21. 2517
  22. 1911
  23. 3128
  24. 4779
  25. 2784
  26. 4275
  27. 1379
  28. 4692
  29. 1752
  30. 4203
  31. 3620
  32. 1908
  33. 4455
  34. 1335
  35. 2259
  36. 441
  37. 6314
  38. 3647
  39. 2485
  40. 5256

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