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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 533 · 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. 1.897 × 3 =
  2. 2.502 × 5 =
  3. 3.804 × 8 =
  4. 4.697 × 8 =
  5. 5.188 × 4 =
  6. 6.231 × 9 =
  7. 7.479 × 4 =
  8. 8.458 × 3 =
  9. 9.286 × 4 =
  10. 10.321 × 4 =
  11. 11.722 × 4 =
  12. 12.474 × 3 =
  13. 13.212 × 9 =
  14. 14.391 × 9 =
  15. 15.327 × 4 =
  16. 16.275 × 3 =
  17. 17.299 × 4 =
  18. 18.951 × 8 =
  19. 19.135 × 6 =
  20. 20.962 × 7 =
  21. 21.114 × 7 =
  22. 22.363 × 4 =
  23. 23.891 × 6 =
  24. 24.175 × 6 =
  25. 25.419 × 9 =
  26. 26.538 × 4 =
  27. 27.887 × 7 =
  28. 28.688 × 9 =
  29. 29.487 × 8 =
  30. 30.371 × 7 =
  31. 31.491 × 9 =
  32. 32.417 × 7 =
  33. 33.942 × 3 =
  34. 34.782 × 8 =
  35. 35.171 × 3 =
  36. 36.952 × 4 =
  37. 37.238 × 5 =
  38. 38.448 × 3 =
  39. 39.203 × 4 =
  40. 40.554 × 4 =

Answer key

  1. 2691
  2. 2510
  3. 6432
  4. 5576
  5. 752
  6. 2079
  7. 1916
  8. 1374
  9. 1144
  10. 1284
  11. 2888
  12. 1422
  13. 1908
  14. 3519
  15. 1308
  16. 825
  17. 1196
  18. 7608
  19. 810
  20. 6734
  21. 798
  22. 1452
  23. 5346
  24. 1050
  25. 3771
  26. 2152
  27. 6209
  28. 6192
  29. 3896
  30. 2597
  31. 4419
  32. 2919
  33. 2826
  34. 6256
  35. 513
  36. 3808
  37. 1190
  38. 1344
  39. 812
  40. 2216

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