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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 609 · 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. 1.594 × 6 =
  2. 2.114 × 3 =
  3. 3.224 × 9 =
  4. 4.371 × 4 =
  5. 5.806 × 6 =
  6. 6.241 × 5 =
  7. 7.889 × 4 =
  8. 8.332 × 3 =
  9. 9.736 × 5 =
  10. 10.627 × 5 =
  11. 11.688 × 7 =
  12. 12.407 × 9 =
  13. 13.517 × 9 =
  14. 14.163 × 5 =
  15. 15.472 × 4 =
  16. 16.113 × 7 =
  17. 17.881 × 8 =
  18. 18.274 × 7 =
  19. 19.551 × 3 =
  20. 20.874 × 5 =
  21. 21.959 × 6 =
  22. 22.419 × 8 =
  23. 23.972 × 9 =
  24. 24.128 × 3 =
  25. 25.156 × 6 =
  26. 26.487 × 4 =
  27. 27.964 × 5 =
  28. 28.682 × 9 =
  29. 29.411 × 4 =
  30. 30.387 × 7 =
  31. 31.931 × 4 =
  32. 32.445 × 6 =
  33. 33.127 × 9 =
  34. 34.301 × 5 =
  35. 35.621 × 8 =
  36. 36.793 × 4 =
  37. 37.174 × 6 =
  38. 38.135 × 5 =
  39. 39.114 × 6 =
  40. 40.637 × 8 =

Answer key

  1. 3564
  2. 342
  3. 2016
  4. 1484
  5. 4836
  6. 1205
  7. 3556
  8. 996
  9. 3680
  10. 3135
  11. 4816
  12. 3663
  13. 4653
  14. 815
  15. 1888
  16. 791
  17. 7048
  18. 1918
  19. 1653
  20. 4370
  21. 5754
  22. 3352
  23. 8748
  24. 384
  25. 936
  26. 1948
  27. 4820
  28. 6138
  29. 1644
  30. 2709
  31. 3724
  32. 2670
  33. 1143
  34. 1505
  35. 4968
  36. 3172
  37. 1044
  38. 675
  39. 684
  40. 5096

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