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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 932 · 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. 1.131 × 3 =
  2. 2.804 × 4 =
  3. 3.204 × 5 =
  4. 4.895 × 9 =
  5. 5.116 × 7 =
  6. 6.682 × 5 =
  7. 7.444 × 8 =
  8. 8.832 × 6 =
  9. 9.385 × 5 =
  10. 10.222 × 9 =
  11. 11.191 × 5 =
  12. 12.837 × 7 =
  13. 13.536 × 8 =
  14. 14.424 × 4 =
  15. 15.287 × 8 =
  16. 16.468 × 5 =
  17. 17.361 × 6 =
  18. 18.987 × 9 =
  19. 19.426 × 9 =
  20. 20.296 × 4 =
  21. 21.161 × 7 =
  22. 22.633 × 8 =
  23. 23.252 × 7 =
  24. 24.949 × 3 =
  25. 25.906 × 7 =
  26. 26.204 × 9 =
  27. 27.141 × 5 =
  28. 28.841 × 3 =
  29. 29.685 × 4 =
  30. 30.931 × 4 =
  31. 31.512 × 8 =
  32. 32.629 × 5 =
  33. 33.114 × 8 =
  34. 34.745 × 7 =
  35. 35.281 × 5 =
  36. 36.516 × 4 =
  37. 37.319 × 7 =
  38. 38.314 × 9 =
  39. 39.963 × 5 =
  40. 40.752 × 8 =

Answer key

  1. 393
  2. 3216
  3. 1020
  4. 8055
  5. 812
  6. 3410
  7. 3552
  8. 4992
  9. 1925
  10. 1998
  11. 955
  12. 5859
  13. 4288
  14. 1696
  15. 2296
  16. 2340
  17. 2166
  18. 8883
  19. 3834
  20. 1184
  21. 1127
  22. 5064
  23. 1764
  24. 2847
  25. 6342
  26. 1836
  27. 705
  28. 2523
  29. 2740
  30. 3724
  31. 4096
  32. 3145
  33. 912
  34. 5215
  35. 1405
  36. 2064
  37. 2233
  38. 2826
  39. 4815
  40. 6016

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