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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 44 · 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. 1.233 × 4 =
  2. 2.971 × 5 =
  3. 3.613 × 8 =
  4. 4.184 × 9 =
  5. 5.891 × 3 =
  6. 6.594 × 4 =
  7. 7.442 × 5 =
  8. 8.271 × 4 =
  9. 9.503 × 6 =
  10. 10.818 × 4 =
  11. 11.901 × 5 =
  12. 12.676 × 3 =
  13. 13.713 × 9 =
  14. 14.162 × 3 =
  15. 15.743 × 5 =
  16. 16.691 × 5 =
  17. 17.201 × 5 =
  18. 18.421 × 4 =
  19. 19.573 × 8 =
  20. 20.553 × 4 =
  21. 21.712 × 6 =
  22. 22.899 × 7 =
  23. 23.126 × 4 =
  24. 24.821 × 5 =
  25. 25.167 × 6 =
  26. 26.615 × 7 =
  27. 27.717 × 9 =
  28. 28.616 × 6 =
  29. 29.468 × 8 =
  30. 30.212 × 4 =
  31. 31.148 × 4 =
  32. 32.921 × 3 =
  33. 33.654 × 7 =
  34. 34.637 × 3 =
  35. 35.679 × 8 =
  36. 36.919 × 4 =
  37. 37.969 × 9 =
  38. 38.343 × 5 =
  39. 39.326 × 9 =
  40. 40.325 × 7 =

Answer key

  1. 932
  2. 4855
  3. 4904
  4. 1656
  5. 2673
  6. 2376
  7. 2210
  8. 1084
  9. 3018
  10. 3272
  11. 4505
  12. 2028
  13. 6417
  14. 486
  15. 3715
  16. 3455
  17. 1005
  18. 1684
  19. 4584
  20. 2212
  21. 4272
  22. 6293
  23. 504
  24. 4105
  25. 1002
  26. 4305
  27. 6453
  28. 3696
  29. 3744
  30. 848
  31. 592
  32. 2763
  33. 4578
  34. 1911
  35. 5432
  36. 3676
  37. 8721
  38. 1715
  39. 2934
  40. 2275

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