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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 664 · 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. 1.863 × 9 =
  2. 2.167 × 7 =
  3. 3.301 × 5 =
  4. 4.816 × 9 =
  5. 5.904 × 7 =
  6. 6.552 × 3 =
  7. 7.707 × 8 =
  8. 8.756 × 6 =
  9. 9.186 × 4 =
  10. 10.876 × 4 =
  11. 11.695 × 7 =
  12. 12.302 × 5 =
  13. 13.791 × 7 =
  14. 14.535 × 9 =
  15. 15.131 × 9 =
  16. 16.586 × 5 =
  17. 17.957 × 4 =
  18. 18.322 × 3 =
  19. 19.394 × 6 =
  20. 20.228 × 8 =
  21. 21.918 × 3 =
  22. 22.179 × 4 =
  23. 23.872 × 4 =
  24. 24.914 × 7 =
  25. 25.222 × 6 =
  26. 26.175 × 8 =
  27. 27.697 × 3 =
  28. 28.263 × 6 =
  29. 29.632 × 4 =
  30. 30.136 × 6 =
  31. 31.301 × 6 =
  32. 32.835 × 5 =
  33. 33.535 × 5 =
  34. 34.604 × 5 =
  35. 35.781 × 4 =
  36. 36.871 × 5 =
  37. 37.282 × 4 =
  38. 38.486 × 8 =
  39. 39.313 × 5 =
  40. 40.791 × 4 =

Answer key

  1. 7767
  2. 1169
  3. 1505
  4. 7344
  5. 6328
  6. 1656
  7. 5656
  8. 4536
  9. 744
  10. 3504
  11. 4865
  12. 1510
  13. 5537
  14. 4815
  15. 1179
  16. 2930
  17. 3828
  18. 966
  19. 2364
  20. 1824
  21. 2754
  22. 716
  23. 3488
  24. 6398
  25. 1332
  26. 1400
  27. 2091
  28. 1578
  29. 2528
  30. 816
  31. 1806
  32. 4175
  33. 2675
  34. 3020
  35. 3124
  36. 4355
  37. 1128
  38. 3888
  39. 1565
  40. 3164

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