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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 777 · 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. 1.471 × 5 =
  2. 2.622 × 9 =
  3. 3.428 × 5 =
  4. 4.361 × 3 =
  5. 5.581 × 6 =
  6. 6.292 × 9 =
  7. 7.951 × 5 =
  8. 8.174 × 8 =
  9. 9.135 × 5 =
  10. 10.453 × 3 =
  11. 11.339 × 5 =
  12. 12.229 × 5 =
  13. 13.147 × 5 =
  14. 14.261 × 8 =
  15. 15.455 × 4 =
  16. 16.164 × 4 =
  17. 17.291 × 4 =
  18. 18.201 × 9 =
  19. 19.438 × 8 =
  20. 20.949 × 5 =
  21. 21.277 × 9 =
  22. 22.557 × 4 =
  23. 23.117 × 9 =
  24. 24.169 × 6 =
  25. 25.626 × 6 =
  26. 26.551 × 7 =
  27. 27.516 × 5 =
  28. 28.113 × 9 =
  29. 29.619 × 7 =
  30. 30.591 × 4 =
  31. 31.542 × 5 =
  32. 32.491 × 4 =
  33. 33.536 × 4 =
  34. 34.447 × 9 =
  35. 35.816 × 3 =
  36. 36.356 × 9 =
  37. 37.175 × 4 =
  38. 38.555 × 7 =
  39. 39.303 × 4 =
  40. 40.519 × 6 =

Answer key

  1. 2355
  2. 5598
  3. 2140
  4. 1083
  5. 3486
  6. 2628
  7. 4755
  8. 1392
  9. 675
  10. 1359
  11. 1695
  12. 1145
  13. 735
  14. 2088
  15. 1820
  16. 656
  17. 1164
  18. 1809
  19. 3504
  20. 4745
  21. 2493
  22. 2228
  23. 1053
  24. 1014
  25. 3756
  26. 3857
  27. 2580
  28. 1017
  29. 4333
  30. 2364
  31. 2710
  32. 1964
  33. 2144
  34. 4023
  35. 2448
  36. 3204
  37. 700
  38. 3885
  39. 1212
  40. 3114

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