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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 236 · 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. 1.541 × 8 =
  2. 2.506 × 5 =
  3. 3.195 × 8 =
  4. 4.558 × 5 =
  5. 5.652 × 6 =
  6. 6.505 × 6 =
  7. 7.159 × 8 =
  8. 8.673 × 8 =
  9. 9.895 × 9 =
  10. 10.184 × 3 =
  11. 11.518 × 6 =
  12. 12.251 × 4 =
  13. 13.125 × 7 =
  14. 14.571 × 9 =
  15. 15.406 × 9 =
  16. 16.588 × 5 =
  17. 17.162 × 7 =
  18. 18.132 × 7 =
  19. 19.438 × 4 =
  20. 20.962 × 3 =
  21. 21.159 × 4 =
  22. 22.804 × 6 =
  23. 23.971 × 9 =
  24. 24.419 × 5 =
  25. 25.666 × 5 =
  26. 26.481 × 6 =
  27. 27.211 × 6 =
  28. 28.283 × 7 =
  29. 29.151 × 5 =
  30. 30.726 × 9 =
  31. 31.686 × 3 =
  32. 32.467 × 7 =
  33. 33.906 × 3 =
  34. 34.324 × 6 =
  35. 35.673 × 3 =
  36. 36.685 × 4 =
  37. 37.191 × 5 =
  38. 38.457 × 9 =
  39. 39.391 × 8 =
  40. 40.302 × 4 =

Answer key

  1. 4328
  2. 2530
  3. 1560
  4. 2790
  5. 3912
  6. 3030
  7. 1272
  8. 5384
  9. 8055
  10. 552
  11. 3108
  12. 1004
  13. 875
  14. 5139
  15. 3654
  16. 2940
  17. 1134
  18. 924
  19. 1752
  20. 2886
  21. 636
  22. 4824
  23. 8739
  24. 2095
  25. 3330
  26. 2886
  27. 1266
  28. 1981
  29. 755
  30. 6534
  31. 2058
  32. 3269
  33. 2718
  34. 1944
  35. 2019
  36. 2740
  37. 955
  38. 4113
  39. 3128
  40. 1208

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