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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 656 · 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. 1.676 × 5 =
  2. 2.357 × 7 =
  3. 3.331 × 8 =
  4. 4.409 × 9 =
  5. 5.637 × 8 =
  6. 6.868 × 8 =
  7. 7.418 × 5 =
  8. 8.225 × 5 =
  9. 9.708 × 3 =
  10. 10.825 × 3 =
  11. 11.667 × 6 =
  12. 12.611 × 5 =
  13. 13.656 × 6 =
  14. 14.284 × 5 =
  15. 15.458 × 3 =
  16. 16.161 × 4 =
  17. 17.208 × 5 =
  18. 18.138 × 3 =
  19. 19.205 × 7 =
  20. 20.741 × 4 =
  21. 21.901 × 7 =
  22. 22.941 × 5 =
  23. 23.758 × 9 =
  24. 24.585 × 4 =
  25. 25.186 × 9 =
  26. 26.496 × 4 =
  27. 27.773 × 6 =
  28. 28.131 × 8 =
  29. 29.916 × 9 =
  30. 30.898 × 4 =
  31. 31.291 × 4 =
  32. 32.441 × 3 =
  33. 33.365 × 4 =
  34. 34.151 × 8 =
  35. 35.278 × 7 =
  36. 36.902 × 3 =
  37. 37.689 × 4 =
  38. 38.361 × 8 =
  39. 39.201 × 6 =
  40. 40.571 × 9 =

Answer key

  1. 3380
  2. 2499
  3. 2648
  4. 3681
  5. 5096
  6. 6944
  7. 2090
  8. 1125
  9. 2124
  10. 2475
  11. 4002
  12. 3055
  13. 3936
  14. 1420
  15. 1374
  16. 644
  17. 1040
  18. 414
  19. 1435
  20. 2964
  21. 6307
  22. 4705
  23. 6822
  24. 2340
  25. 1674
  26. 1984
  27. 4638
  28. 1048
  29. 8244
  30. 3592
  31. 1164
  32. 1323
  33. 1460
  34. 1208
  35. 1946
  36. 2706
  37. 2756
  38. 2888
  39. 1206
  40. 5139

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