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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 293 · 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. 1.599 × 3 =
  2. 2.837 × 6 =
  3. 3.233 × 8 =
  4. 4.298 × 8 =
  5. 5.768 × 8 =
  6. 6.398 × 4 =
  7. 7.351 × 3 =
  8. 8.191 × 5 =
  9. 9.325 × 9 =
  10. 10.871 × 7 =
  11. 11.276 × 6 =
  12. 12.878 × 6 =
  13. 13.338 × 5 =
  14. 14.351 × 6 =
  15. 15.291 × 4 =
  16. 16.819 × 3 =
  17. 17.739 × 8 =
  18. 18.471 × 5 =
  19. 19.461 × 5 =
  20. 20.391 × 5 =
  21. 21.693 × 4 =
  22. 22.477 × 5 =
  23. 23.843 × 6 =
  24. 24.232 × 6 =
  25. 25.476 × 5 =
  26. 26.124 × 8 =
  27. 27.324 × 8 =
  28. 28.392 × 7 =
  29. 29.145 × 7 =
  30. 30.178 × 5 =
  31. 31.614 × 4 =
  32. 32.328 × 4 =
  33. 33.938 × 8 =
  34. 34.557 × 9 =
  35. 35.661 × 9 =
  36. 36.204 × 5 =
  37. 37.749 × 3 =
  38. 38.516 × 6 =
  39. 39.856 × 4 =
  40. 40.204 × 6 =

Answer key

  1. 1797
  2. 5022
  3. 1864
  4. 2384
  5. 6144
  6. 1592
  7. 1053
  8. 955
  9. 2925
  10. 6097
  11. 1656
  12. 5268
  13. 1690
  14. 2106
  15. 1164
  16. 2457
  17. 5912
  18. 2355
  19. 2305
  20. 1955
  21. 2772
  22. 2385
  23. 5058
  24. 1392
  25. 2380
  26. 992
  27. 2592
  28. 2744
  29. 1015
  30. 890
  31. 2456
  32. 1312
  33. 7504
  34. 5013
  35. 5949
  36. 1020
  37. 2247
  38. 3096
  39. 3424
  40. 1224

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