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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 606 · 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. 1.447 × 5 =
  2. 2.953 × 9 =
  3. 3.876 × 4 =
  4. 4.327 × 6 =
  5. 5.641 × 9 =
  6. 6.855 × 8 =
  7. 7.241 × 6 =
  8. 8.322 × 9 =
  9. 9.253 × 8 =
  10. 10.617 × 9 =
  11. 11.974 × 8 =
  12. 12.171 × 8 =
  13. 13.533 × 8 =
  14. 14.826 × 9 =
  15. 15.311 × 4 =
  16. 16.662 × 7 =
  17. 17.666 × 3 =
  18. 18.114 × 5 =
  19. 19.512 × 9 =
  20. 20.983 × 7 =
  21. 21.605 × 4 =
  22. 22.177 × 3 =
  23. 23.497 × 3 =
  24. 24.982 × 6 =
  25. 25.531 × 8 =
  26. 26.341 × 4 =
  27. 27.281 × 7 =
  28. 28.979 × 6 =
  29. 29.307 × 5 =
  30. 30.337 × 7 =
  31. 31.706 × 7 =
  32. 32.303 × 4 =
  33. 33.861 × 6 =
  34. 34.468 × 8 =
  35. 35.266 × 3 =
  36. 36.696 × 3 =
  37. 37.977 × 7 =
  38. 38.409 × 4 =
  39. 39.725 × 3 =
  40. 40.888 × 4 =

Answer key

  1. 2235
  2. 8577
  3. 3504
  4. 1962
  5. 5769
  6. 6840
  7. 1446
  8. 2898
  9. 2024
  10. 5553
  11. 7792
  12. 1368
  13. 4264
  14. 7434
  15. 1244
  16. 4634
  17. 1998
  18. 570
  19. 4608
  20. 6881
  21. 2420
  22. 531
  23. 1491
  24. 5892
  25. 4248
  26. 1364
  27. 1967
  28. 5874
  29. 1535
  30. 2359
  31. 4942
  32. 1212
  33. 5166
  34. 3744
  35. 798
  36. 2088
  37. 6839
  38. 1636
  39. 2175
  40. 3552

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