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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 372 · 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. 1.366 × 3 =
  2. 2.975 × 4 =
  3. 3.311 × 6 =
  4. 4.582 × 8 =
  5. 5.614 × 9 =
  6. 6.713 × 7 =
  7. 7.141 × 5 =
  8. 8.682 × 5 =
  9. 9.731 × 7 =
  10. 10.154 × 3 =
  11. 11.856 × 5 =
  12. 12.332 × 6 =
  13. 13.193 × 3 =
  14. 14.838 × 9 =
  15. 15.435 × 9 =
  16. 16.556 × 8 =
  17. 17.125 × 8 =
  18. 18.139 × 7 =
  19. 19.683 × 6 =
  20. 20.876 × 7 =
  21. 21.311 × 4 =
  22. 22.706 × 9 =
  23. 23.362 × 7 =
  24. 24.141 × 6 =
  25. 25.315 × 7 =
  26. 26.692 × 4 =
  27. 27.401 × 3 =
  28. 28.505 × 7 =
  29. 29.164 × 4 =
  30. 30.254 × 3 =
  31. 31.353 × 8 =
  32. 32.312 × 6 =
  33. 33.398 × 7 =
  34. 34.211 × 5 =
  35. 35.426 × 9 =
  36. 36.467 × 6 =
  37. 37.892 × 6 =
  38. 38.618 × 3 =
  39. 39.311 × 5 =
  40. 40.737 × 7 =

Answer key

  1. 1098
  2. 3900
  3. 1866
  4. 4656
  5. 5526
  6. 4991
  7. 705
  8. 3410
  9. 5117
  10. 462
  11. 4280
  12. 1992
  13. 579
  14. 7542
  15. 3915
  16. 4448
  17. 1000
  18. 973
  19. 4098
  20. 6132
  21. 1244
  22. 6354
  23. 2534
  24. 846
  25. 2205
  26. 2768
  27. 1203
  28. 3535
  29. 656
  30. 762
  31. 2824
  32. 1872
  33. 2786
  34. 1055
  35. 3834
  36. 2802
  37. 5352
  38. 1854
  39. 1555
  40. 5159

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