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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 298 · 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. 1.313 × 6 =
  2. 2.751 × 4 =
  3. 3.581 × 8 =
  4. 4.441 × 5 =
  5. 5.731 × 8 =
  6. 6.162 × 9 =
  7. 7.245 × 3 =
  8. 8.554 × 4 =
  9. 9.376 × 5 =
  10. 10.206 × 7 =
  11. 11.335 × 8 =
  12. 12.903 × 3 =
  13. 13.661 × 5 =
  14. 14.332 × 4 =
  15. 15.792 × 7 =
  16. 16.261 × 6 =
  17. 17.591 × 9 =
  18. 18.463 × 5 =
  19. 19.307 × 4 =
  20. 20.241 × 7 =
  21. 21.735 × 4 =
  22. 22.617 × 7 =
  23. 23.275 × 8 =
  24. 24.356 × 8 =
  25. 25.184 × 8 =
  26. 26.639 × 8 =
  27. 27.494 × 3 =
  28. 28.213 × 6 =
  29. 29.695 × 8 =
  30. 30.807 × 9 =
  31. 31.347 × 4 =
  32. 32.867 × 6 =
  33. 33.461 × 6 =
  34. 34.703 × 7 =
  35. 35.747 × 3 =
  36. 36.226 × 3 =
  37. 37.721 × 6 =
  38. 38.641 × 8 =
  39. 39.919 × 5 =
  40. 40.118 × 9 =

Answer key

  1. 1878
  2. 3004
  3. 4648
  4. 2205
  5. 5848
  6. 1458
  7. 735
  8. 2216
  9. 1880
  10. 1442
  11. 2680
  12. 2709
  13. 3305
  14. 1328
  15. 5544
  16. 1566
  17. 5319
  18. 2315
  19. 1228
  20. 1687
  21. 2940
  22. 4319
  23. 2200
  24. 2848
  25. 1472
  26. 5112
  27. 1482
  28. 1278
  29. 5560
  30. 7263
  31. 1388
  32. 5202
  33. 2766
  34. 4921
  35. 2241
  36. 678
  37. 4326
  38. 5128
  39. 4595
  40. 1062

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