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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 66 · 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. 1.742 × 7 =
  2. 2.877 × 4 =
  3. 3.281 × 8 =
  4. 4.915 × 9 =
  5. 5.674 × 9 =
  6. 6.603 × 3 =
  7. 7.601 × 5 =
  8. 8.161 × 3 =
  9. 9.514 × 3 =
  10. 10.125 × 6 =
  11. 11.498 × 3 =
  12. 12.392 × 8 =
  13. 13.659 × 5 =
  14. 14.731 × 3 =
  15. 15.257 × 4 =
  16. 16.868 × 8 =
  17. 17.468 × 4 =
  18. 18.521 × 4 =
  19. 19.375 × 4 =
  20. 20.722 × 5 =
  21. 21.907 × 3 =
  22. 22.159 × 8 =
  23. 23.898 × 4 =
  24. 24.343 × 6 =
  25. 25.761 × 7 =
  26. 26.688 × 6 =
  27. 27.913 × 8 =
  28. 28.883 × 3 =
  29. 29.614 × 4 =
  30. 30.358 × 7 =
  31. 31.173 × 6 =
  32. 32.802 × 4 =
  33. 33.484 × 3 =
  34. 34.745 × 5 =
  35. 35.617 × 5 =
  36. 36.959 × 7 =
  37. 37.513 × 5 =
  38. 38.436 × 6 =
  39. 39.914 × 5 =
  40. 40.848 × 4 =

Answer key

  1. 5194
  2. 3508
  3. 2248
  4. 8235
  5. 6066
  6. 1809
  7. 3005
  8. 483
  9. 1542
  10. 750
  11. 1494
  12. 3136
  13. 3295
  14. 2193
  15. 1028
  16. 6944
  17. 1872
  18. 2084
  19. 1500
  20. 3610
  21. 2721
  22. 1272
  23. 3592
  24. 2058
  25. 5327
  26. 4128
  27. 7304
  28. 2649
  29. 2456
  30. 2506
  31. 1038
  32. 3208
  33. 1452
  34. 3725
  35. 3085
  36. 6713
  37. 2565
  38. 2616
  39. 4570
  40. 3392

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