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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 826 · 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. 1.267 × 4 =
  2. 2.184 × 9 =
  3. 3.945 × 5 =
  4. 4.795 × 8 =
  5. 5.916 × 6 =
  6. 6.912 × 4 =
  7. 7.147 × 8 =
  8. 8.376 × 4 =
  9. 9.492 × 4 =
  10. 10.723 × 3 =
  11. 11.826 × 5 =
  12. 12.637 × 7 =
  13. 13.188 × 3 =
  14. 14.843 × 5 =
  15. 15.298 × 3 =
  16. 16.462 × 3 =
  17. 17.794 × 7 =
  18. 18.257 × 5 =
  19. 19.297 × 9 =
  20. 20.941 × 5 =
  21. 21.162 × 8 =
  22. 22.524 × 3 =
  23. 23.266 × 8 =
  24. 24.937 × 8 =
  25. 25.197 × 5 =
  26. 26.166 × 5 =
  27. 27.303 × 4 =
  28. 28.348 × 9 =
  29. 29.331 × 9 =
  30. 30.131 × 8 =
  31. 31.494 × 4 =
  32. 32.194 × 5 =
  33. 33.988 × 4 =
  34. 34.685 × 3 =
  35. 35.443 × 7 =
  36. 36.459 × 9 =
  37. 37.217 × 4 =
  38. 38.361 × 6 =
  39. 39.424 × 3 =
  40. 40.808 × 9 =

Answer key

  1. 1068
  2. 1656
  3. 4725
  4. 6360
  5. 5496
  6. 3648
  7. 1176
  8. 1504
  9. 1968
  10. 2169
  11. 4130
  12. 4459
  13. 564
  14. 4215
  15. 894
  16. 1386
  17. 5558
  18. 1285
  19. 2673
  20. 4705
  21. 1296
  22. 1572
  23. 2128
  24. 7496
  25. 985
  26. 830
  27. 1212
  28. 3132
  29. 2979
  30. 1048
  31. 1976
  32. 970
  33. 3952
  34. 2055
  35. 3101
  36. 4131
  37. 868
  38. 2166
  39. 1272
  40. 7272

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