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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 204 · 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. 1.222 × 5 =
  2. 2.613 × 8 =
  3. 3.972 × 5 =
  4. 4.252 × 4 =
  5. 5.151 × 5 =
  6. 6.847 × 6 =
  7. 7.862 × 6 =
  8. 8.311 × 6 =
  9. 9.907 × 5 =
  10. 10.309 × 8 =
  11. 11.748 × 6 =
  12. 12.839 × 4 =
  13. 13.176 × 4 =
  14. 14.433 × 4 =
  15. 15.333 × 4 =
  16. 16.901 × 7 =
  17. 17.383 × 6 =
  18. 18.691 × 8 =
  19. 19.897 × 8 =
  20. 20.427 × 8 =
  21. 21.962 × 9 =
  22. 22.114 × 4 =
  23. 23.176 × 5 =
  24. 24.511 × 7 =
  25. 25.638 × 3 =
  26. 26.629 × 3 =
  27. 27.228 × 4 =
  28. 28.809 × 3 =
  29. 29.573 × 3 =
  30. 30.866 × 8 =
  31. 31.205 × 3 =
  32. 32.141 × 4 =
  33. 33.558 × 9 =
  34. 34.169 × 5 =
  35. 35.631 × 6 =
  36. 36.129 × 7 =
  37. 37.323 × 7 =
  38. 38.309 × 3 =
  39. 39.895 × 6 =
  40. 40.916 × 5 =

Answer key

  1. 1110
  2. 4904
  3. 4860
  4. 1008
  5. 755
  6. 5082
  7. 5172
  8. 1866
  9. 4535
  10. 2472
  11. 4488
  12. 3356
  13. 704
  14. 1732
  15. 1332
  16. 6307
  17. 2298
  18. 5528
  19. 7176
  20. 3416
  21. 8658
  22. 456
  23. 880
  24. 3577
  25. 1914
  26. 1887
  27. 912
  28. 2427
  29. 1719
  30. 6928
  31. 615
  32. 564
  33. 5022
  34. 845
  35. 3786
  36. 903
  37. 2261
  38. 927
  39. 5370
  40. 4580

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