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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 519 · 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. 1.332 × 3 =
  2. 2.174 × 3 =
  3. 3.595 × 4 =
  4. 4.221 × 3 =
  5. 5.795 × 4 =
  6. 6.219 × 4 =
  7. 7.674 × 3 =
  8. 8.459 × 4 =
  9. 9.264 × 8 =
  10. 10.646 × 5 =
  11. 11.869 × 6 =
  12. 12.162 × 6 =
  13. 13.241 × 4 =
  14. 14.744 × 4 =
  15. 15.719 × 3 =
  16. 16.686 × 7 =
  17. 17.496 × 5 =
  18. 18.753 × 3 =
  19. 19.401 × 4 =
  20. 20.481 × 6 =
  21. 21.252 × 5 =
  22. 22.795 × 6 =
  23. 23.164 × 4 =
  24. 24.305 × 8 =
  25. 25.847 × 6 =
  26. 26.594 × 8 =
  27. 27.931 × 5 =
  28. 28.935 × 9 =
  29. 29.987 × 5 =
  30. 30.982 × 9 =
  31. 31.257 × 5 =
  32. 32.391 × 3 =
  33. 33.805 × 3 =
  34. 34.375 × 4 =
  35. 35.537 × 6 =
  36. 36.671 × 4 =
  37. 37.151 × 9 =
  38. 38.528 × 4 =
  39. 39.975 × 4 =
  40. 40.483 × 9 =

Answer key

  1. 996
  2. 522
  3. 2380
  4. 663
  5. 3180
  6. 876
  7. 2022
  8. 1836
  9. 2112
  10. 3230
  11. 5214
  12. 972
  13. 964
  14. 2976
  15. 2157
  16. 4802
  17. 2480
  18. 2259
  19. 1604
  20. 2886
  21. 1260
  22. 4770
  23. 656
  24. 2440
  25. 5082
  26. 4752
  27. 4655
  28. 8415
  29. 4935
  30. 8838
  31. 1285
  32. 1173
  33. 2415
  34. 1500
  35. 3222
  36. 2684
  37. 1359
  38. 2112
  39. 3900
  40. 4347

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