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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 986 · 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. 1.259 × 5 =
  2. 2.891 × 4 =
  3. 3.776 × 3 =
  4. 4.396 × 7 =
  5. 5.404 × 5 =
  6. 6.564 × 6 =
  7. 7.508 × 3 =
  8. 8.305 × 3 =
  9. 9.354 × 8 =
  10. 10.115 × 9 =
  11. 11.687 × 3 =
  12. 12.241 × 7 =
  13. 13.197 × 3 =
  14. 14.817 × 9 =
  15. 15.212 × 6 =
  16. 16.973 × 7 =
  17. 17.135 × 9 =
  18. 18.745 × 5 =
  19. 19.157 × 9 =
  20. 20.273 × 8 =
  21. 21.975 × 7 =
  22. 22.581 × 3 =
  23. 23.657 × 5 =
  24. 24.357 × 8 =
  25. 25.536 × 6 =
  26. 26.436 × 7 =
  27. 27.324 × 9 =
  28. 28.293 × 8 =
  29. 29.599 × 7 =
  30. 30.266 × 4 =
  31. 31.745 × 9 =
  32. 32.323 × 3 =
  33. 33.506 × 6 =
  34. 34.348 × 9 =
  35. 35.436 × 3 =
  36. 36.518 × 4 =
  37. 37.685 × 3 =
  38. 38.582 × 7 =
  39. 39.634 × 3 =
  40. 40.512 × 5 =

Answer key

  1. 1295
  2. 3564
  3. 2328
  4. 2772
  5. 2020
  6. 3384
  7. 1524
  8. 915
  9. 2832
  10. 1035
  11. 2061
  12. 1687
  13. 591
  14. 7353
  15. 1272
  16. 6811
  17. 1215
  18. 3725
  19. 1413
  20. 2184
  21. 6825
  22. 1743
  23. 3285
  24. 2856
  25. 3216
  26. 3052
  27. 2916
  28. 2344
  29. 4193
  30. 1064
  31. 6705
  32. 969
  33. 3036
  34. 3132
  35. 1308
  36. 2072
  37. 2055
  38. 4074
  39. 1902
  40. 2560

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