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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 649 · 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. 1.884 × 4 =
  2. 2.791 × 5 =
  3. 3.751 × 4 =
  4. 4.186 × 8 =
  5. 5.433 × 8 =
  6. 6.933 × 4 =
  7. 7.313 × 6 =
  8. 8.334 × 3 =
  9. 9.258 × 3 =
  10. 10.296 × 4 =
  11. 11.548 × 3 =
  12. 12.863 × 6 =
  13. 13.374 × 9 =
  14. 14.331 × 5 =
  15. 15.594 × 6 =
  16. 16.144 × 7 =
  17. 17.401 × 4 =
  18. 18.323 × 3 =
  19. 19.487 × 5 =
  20. 20.477 × 6 =
  21. 21.961 × 8 =
  22. 22.781 × 7 =
  23. 23.688 × 4 =
  24. 24.182 × 3 =
  25. 25.909 × 3 =
  26. 26.165 × 9 =
  27. 27.117 × 5 =
  28. 28.154 × 5 =
  29. 29.925 × 6 =
  30. 30.134 × 9 =
  31. 31.954 × 7 =
  32. 32.741 × 9 =
  33. 33.696 × 8 =
  34. 34.966 × 8 =
  35. 35.951 × 3 =
  36. 36.746 × 7 =
  37. 37.695 × 9 =
  38. 38.842 × 4 =
  39. 39.621 × 6 =
  40. 40.654 × 6 =

Answer key

  1. 3536
  2. 3955
  3. 3004
  4. 1488
  5. 3464
  6. 3732
  7. 1878
  8. 1002
  9. 774
  10. 1184
  11. 1644
  12. 5178
  13. 3366
  14. 1655
  15. 3564
  16. 1008
  17. 1604
  18. 969
  19. 2435
  20. 2862
  21. 7688
  22. 5467
  23. 2752
  24. 546
  25. 2727
  26. 1485
  27. 585
  28. 770
  29. 5550
  30. 1206
  31. 6678
  32. 6669
  33. 5568
  34. 7728
  35. 2853
  36. 5222
  37. 6255
  38. 3368
  39. 3726
  40. 3924

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