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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 239 · 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. 1.815 × 6 =
  2. 2.729 × 3 =
  3. 3.221 × 4 =
  4. 4.515 × 6 =
  5. 5.496 × 5 =
  6. 6.231 × 4 =
  7. 7.691 × 3 =
  8. 8.332 × 3 =
  9. 9.472 × 3 =
  10. 10.843 × 4 =
  11. 11.367 × 6 =
  12. 12.234 × 6 =
  13. 13.553 × 8 =
  14. 14.658 × 5 =
  15. 15.395 × 3 =
  16. 16.513 × 4 =
  17. 17.354 × 8 =
  18. 18.587 × 9 =
  19. 19.829 × 7 =
  20. 20.641 × 4 =
  21. 21.162 × 3 =
  22. 22.688 × 8 =
  23. 23.391 × 4 =
  24. 24.128 × 3 =
  25. 25.422 × 5 =
  26. 26.696 × 4 =
  27. 27.914 × 7 =
  28. 28.811 × 8 =
  29. 29.661 × 5 =
  30. 30.426 × 8 =
  31. 31.723 × 4 =
  32. 32.873 × 8 =
  33. 33.783 × 8 =
  34. 34.586 × 6 =
  35. 35.977 × 4 =
  36. 36.457 × 6 =
  37. 37.436 × 8 =
  38. 38.811 × 6 =
  39. 39.625 × 5 =
  40. 40.361 × 9 =

Answer key

  1. 4890
  2. 2187
  3. 884
  4. 3090
  5. 2480
  6. 924
  7. 2073
  8. 996
  9. 1416
  10. 3372
  11. 2202
  12. 1404
  13. 4424
  14. 3290
  15. 1185
  16. 2052
  17. 2832
  18. 5283
  19. 5803
  20. 2564
  21. 486
  22. 5504
  23. 1564
  24. 384
  25. 2110
  26. 2784
  27. 6398
  28. 6488
  29. 3305
  30. 3408
  31. 2892
  32. 6984
  33. 6264
  34. 3516
  35. 3908
  36. 2742
  37. 3488
  38. 4866
  39. 3125
  40. 3249

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