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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 467 · 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. 1.603 × 3 =
  2. 2.328 × 4 =
  3. 3.247 × 3 =
  4. 4.145 × 8 =
  5. 5.161 × 5 =
  6. 6.609 × 7 =
  7. 7.608 × 5 =
  8. 8.232 × 9 =
  9. 9.933 × 3 =
  10. 10.329 × 6 =
  11. 11.438 × 3 =
  12. 12.281 × 9 =
  13. 13.524 × 9 =
  14. 14.164 × 9 =
  15. 15.171 × 4 =
  16. 16.531 × 9 =
  17. 17.809 × 5 =
  18. 18.437 × 5 =
  19. 19.864 × 4 =
  20. 20.247 × 4 =
  21. 21.191 × 7 =
  22. 22.731 × 6 =
  23. 23.178 × 5 =
  24. 24.835 × 8 =
  25. 25.276 × 8 =
  26. 26.463 × 6 =
  27. 27.843 × 6 =
  28. 28.651 × 3 =
  29. 29.287 × 8 =
  30. 30.308 × 4 =
  31. 31.865 × 7 =
  32. 32.474 × 5 =
  33. 33.626 × 7 =
  34. 34.443 × 7 =
  35. 35.669 × 8 =
  36. 36.595 × 4 =
  37. 37.511 × 5 =
  38. 38.698 × 6 =
  39. 39.538 × 6 =
  40. 40.551 × 6 =

Answer key

  1. 1809
  2. 1312
  3. 741
  4. 1160
  5. 805
  6. 4263
  7. 3040
  8. 2088
  9. 2799
  10. 1974
  11. 1314
  12. 2529
  13. 4716
  14. 1476
  15. 684
  16. 4779
  17. 4045
  18. 2185
  19. 3456
  20. 988
  21. 1337
  22. 4386
  23. 890
  24. 6680
  25. 2208
  26. 2778
  27. 5058
  28. 1953
  29. 2296
  30. 1232
  31. 6055
  32. 2370
  33. 4382
  34. 3101
  35. 5352
  36. 2380
  37. 2555
  38. 4188
  39. 3228
  40. 3306

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