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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 468 · 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. 1.735 × 4 =
  2. 2.262 × 8 =
  3. 3.552 × 6 =
  4. 4.415 × 4 =
  5. 5.625 × 4 =
  6. 6.897 × 3 =
  7. 7.197 × 9 =
  8. 8.344 × 8 =
  9. 9.731 × 6 =
  10. 10.384 × 6 =
  11. 11.701 × 6 =
  12. 12.329 × 3 =
  13. 13.642 × 6 =
  14. 14.781 × 9 =
  15. 15.202 × 7 =
  16. 16.231 × 4 =
  17. 17.171 × 5 =
  18. 18.446 × 9 =
  19. 19.194 × 4 =
  20. 20.442 × 5 =
  21. 21.256 × 3 =
  22. 22.661 × 8 =
  23. 23.432 × 4 =
  24. 24.919 × 7 =
  25. 25.924 × 6 =
  26. 26.664 × 3 =
  27. 27.349 × 9 =
  28. 28.891 × 8 =
  29. 29.871 × 5 =
  30. 30.958 × 4 =
  31. 31.638 × 3 =
  32. 32.177 × 9 =
  33. 33.869 × 9 =
  34. 34.176 × 4 =
  35. 35.211 × 5 =
  36. 36.409 × 3 =
  37. 37.441 × 5 =
  38. 38.275 × 8 =
  39. 39.249 × 7 =
  40. 40.326 × 3 =

Answer key

  1. 2940
  2. 2096
  3. 3312
  4. 1660
  5. 2500
  6. 2691
  7. 1773
  8. 2752
  9. 4386
  10. 2304
  11. 4206
  12. 987
  13. 3852
  14. 7029
  15. 1414
  16. 924
  17. 855
  18. 4014
  19. 776
  20. 2210
  21. 768
  22. 5288
  23. 1728
  24. 6433
  25. 5544
  26. 1992
  27. 3141
  28. 7128
  29. 4355
  30. 3832
  31. 1914
  32. 1593
  33. 7821
  34. 704
  35. 1055
  36. 1227
  37. 2205
  38. 2200
  39. 1743
  40. 978

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