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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 554 · 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. 1.861 × 7 =
  2. 2.911 × 5 =
  3. 3.936 × 3 =
  4. 4.386 × 5 =
  5. 5.172 × 3 =
  6. 6.522 × 5 =
  7. 7.851 × 3 =
  8. 8.917 × 5 =
  9. 9.657 × 8 =
  10. 10.591 × 6 =
  11. 11.272 × 8 =
  12. 12.285 × 6 =
  13. 13.979 × 8 =
  14. 14.642 × 4 =
  15. 15.141 × 6 =
  16. 16.697 × 3 =
  17. 17.377 × 9 =
  18. 18.456 × 7 =
  19. 19.852 × 4 =
  20. 20.281 × 7 =
  21. 21.357 × 4 =
  22. 22.396 × 4 =
  23. 23.806 × 8 =
  24. 24.125 × 7 =
  25. 25.652 × 6 =
  26. 26.898 × 7 =
  27. 27.302 × 8 =
  28. 28.957 × 3 =
  29. 29.279 × 7 =
  30. 30.647 × 6 =
  31. 31.188 × 4 =
  32. 32.642 × 5 =
  33. 33.835 × 6 =
  34. 34.361 × 8 =
  35. 35.284 × 9 =
  36. 36.152 × 8 =
  37. 37.775 × 5 =
  38. 38.591 × 4 =
  39. 39.391 × 7 =
  40. 40.518 × 7 =

Answer key

  1. 6027
  2. 4555
  3. 2808
  4. 1930
  5. 516
  6. 2610
  7. 2553
  8. 4585
  9. 5256
  10. 3546
  11. 2176
  12. 1710
  13. 7832
  14. 2568
  15. 846
  16. 2091
  17. 3393
  18. 3192
  19. 3408
  20. 1967
  21. 1428
  22. 1584
  23. 6448
  24. 875
  25. 3912
  26. 6286
  27. 2416
  28. 2871
  29. 1953
  30. 3882
  31. 752
  32. 3210
  33. 5010
  34. 2888
  35. 2556
  36. 1216
  37. 3875
  38. 2364
  39. 2737
  40. 3626

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