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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 49 · 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. 1.339 × 6 =
  2. 2.669 × 3 =
  3. 3.703 × 8 =
  4. 4.676 × 7 =
  5. 5.478 × 4 =
  6. 6.146 × 6 =
  7. 7.611 × 9 =
  8. 8.747 × 7 =
  9. 9.971 × 6 =
  10. 10.254 × 7 =
  11. 11.769 × 8 =
  12. 12.836 × 5 =
  13. 13.457 × 9 =
  14. 14.217 × 6 =
  15. 15.209 × 4 =
  16. 16.182 × 6 =
  17. 17.135 × 7 =
  18. 18.845 × 4 =
  19. 19.769 × 7 =
  20. 20.213 × 7 =
  21. 21.623 × 6 =
  22. 22.141 × 9 =
  23. 23.468 × 4 =
  24. 24.859 × 6 =
  25. 25.381 × 3 =
  26. 26.556 × 9 =
  27. 27.678 × 8 =
  28. 28.699 × 8 =
  29. 29.211 × 8 =
  30. 30.911 × 5 =
  31. 31.734 × 8 =
  32. 32.544 × 7 =
  33. 33.759 × 5 =
  34. 34.698 × 9 =
  35. 35.362 × 3 =
  36. 36.738 × 4 =
  37. 37.592 × 7 =
  38. 38.759 × 8 =
  39. 39.718 × 4 =
  40. 40.331 × 7 =

Answer key

  1. 2034
  2. 2007
  3. 5624
  4. 4732
  5. 1912
  6. 876
  7. 5499
  8. 5229
  9. 5826
  10. 1778
  11. 6152
  12. 4180
  13. 4113
  14. 1302
  15. 836
  16. 1092
  17. 945
  18. 3380
  19. 5383
  20. 1491
  21. 3738
  22. 1269
  23. 1872
  24. 5154
  25. 1143
  26. 5004
  27. 5424
  28. 5592
  29. 1688
  30. 4555
  31. 5872
  32. 3808
  33. 3795
  34. 6282
  35. 1086
  36. 2952
  37. 4144
  38. 6072
  39. 2872
  40. 2317

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