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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 561 · 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. 1.601 × 4 =
  2. 2.552 × 4 =
  3. 3.168 × 8 =
  4. 4.278 × 9 =
  5. 5.439 × 4 =
  6. 6.325 × 3 =
  7. 7.602 × 4 =
  8. 8.294 × 3 =
  9. 9.388 × 3 =
  10. 10.944 × 7 =
  11. 11.741 × 4 =
  12. 12.481 × 5 =
  13. 13.451 × 5 =
  14. 14.115 × 8 =
  15. 15.902 × 5 =
  16. 16.923 × 5 =
  17. 17.561 × 8 =
  18. 18.322 × 3 =
  19. 19.767 × 3 =
  20. 20.567 × 8 =
  21. 21.945 × 3 =
  22. 22.281 × 9 =
  23. 23.181 × 8 =
  24. 24.426 × 3 =
  25. 25.277 × 8 =
  26. 26.467 × 5 =
  27. 27.343 × 8 =
  28. 28.128 × 7 =
  29. 29.275 × 9 =
  30. 30.664 × 6 =
  31. 31.595 × 4 =
  32. 32.425 × 3 =
  33. 33.824 × 8 =
  34. 34.938 × 5 =
  35. 35.366 × 6 =
  36. 36.862 × 3 =
  37. 37.742 × 4 =
  38. 38.301 × 4 =
  39. 39.588 × 5 =
  40. 40.191 × 3 =

Answer key

  1. 2404
  2. 2208
  3. 1344
  4. 2502
  5. 1756
  6. 975
  7. 2408
  8. 882
  9. 1164
  10. 6608
  11. 2964
  12. 2405
  13. 2255
  14. 920
  15. 4510
  16. 4615
  17. 4488
  18. 966
  19. 2301
  20. 4536
  21. 2835
  22. 2529
  23. 1448
  24. 1278
  25. 2216
  26. 2335
  27. 2744
  28. 896
  29. 2475
  30. 3984
  31. 2380
  32. 1275
  33. 6592
  34. 4690
  35. 2196
  36. 2586
  37. 2968
  38. 1204
  39. 2940
  40. 573

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