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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 787 · 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. 1.475 × 9 =
  2. 2.163 × 8 =
  3. 3.422 × 6 =
  4. 4.944 × 9 =
  5. 5.682 × 4 =
  6. 6.798 × 7 =
  7. 7.932 × 8 =
  8. 8.734 × 6 =
  9. 9.752 × 8 =
  10. 10.452 × 6 =
  11. 11.406 × 4 =
  12. 12.151 × 4 =
  13. 13.723 × 8 =
  14. 14.295 × 4 =
  15. 15.814 × 4 =
  16. 16.445 × 3 =
  17. 17.611 × 6 =
  18. 18.434 × 8 =
  19. 19.183 × 6 =
  20. 20.581 × 5 =
  21. 21.788 × 6 =
  22. 22.281 × 4 =
  23. 23.734 × 8 =
  24. 24.429 × 8 =
  25. 25.864 × 5 =
  26. 26.326 × 9 =
  27. 27.971 × 3 =
  28. 28.428 × 5 =
  29. 29.516 × 3 =
  30. 30.622 × 3 =
  31. 31.446 × 4 =
  32. 32.922 × 5 =
  33. 33.273 × 4 =
  34. 34.421 × 3 =
  35. 35.911 × 7 =
  36. 36.821 × 6 =
  37. 37.559 × 5 =
  38. 38.181 × 3 =
  39. 39.277 × 3 =
  40. 40.193 × 6 =

Answer key

  1. 4275
  2. 1304
  3. 2532
  4. 8496
  5. 2728
  6. 5586
  7. 7456
  8. 4404
  9. 6016
  10. 2712
  11. 1624
  12. 604
  13. 5784
  14. 1180
  15. 3256
  16. 1335
  17. 3666
  18. 3472
  19. 1098
  20. 2905
  21. 4728
  22. 1124
  23. 5872
  24. 3432
  25. 4320
  26. 2934
  27. 2913
  28. 2140
  29. 1548
  30. 1866
  31. 1784
  32. 4610
  33. 1092
  34. 1263
  35. 6377
  36. 4926
  37. 2795
  38. 543
  39. 831
  40. 1158

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