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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 432 · 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. 1.314 × 6 =
  2. 2.183 × 7 =
  3. 3.271 × 5 =
  4. 4.665 × 9 =
  5. 5.946 × 9 =
  6. 6.859 × 7 =
  7. 7.754 × 3 =
  8. 8.176 × 8 =
  9. 9.223 × 3 =
  10. 10.386 × 9 =
  11. 11.938 × 6 =
  12. 12.127 × 6 =
  13. 13.465 × 3 =
  14. 14.374 × 3 =
  15. 15.789 × 4 =
  16. 16.241 × 3 =
  17. 17.891 × 7 =
  18. 18.459 × 5 =
  19. 19.881 × 7 =
  20. 20.791 × 7 =
  21. 21.181 × 4 =
  22. 22.841 × 7 =
  23. 23.793 × 9 =
  24. 24.961 × 4 =
  25. 25.231 × 5 =
  26. 26.696 × 9 =
  27. 27.115 × 4 =
  28. 28.763 × 5 =
  29. 29.591 × 9 =
  30. 30.149 × 7 =
  31. 31.889 × 9 =
  32. 32.894 × 9 =
  33. 33.975 × 6 =
  34. 34.898 × 8 =
  35. 35.588 × 7 =
  36. 36.221 × 5 =
  37. 37.571 × 3 =
  38. 38.645 × 8 =
  39. 39.636 × 7 =
  40. 40.539 × 7 =

Answer key

  1. 1884
  2. 1281
  3. 1355
  4. 5985
  5. 8514
  6. 6013
  7. 2262
  8. 1408
  9. 669
  10. 3474
  11. 5628
  12. 762
  13. 1395
  14. 1122
  15. 3156
  16. 723
  17. 6237
  18. 2295
  19. 6167
  20. 5537
  21. 724
  22. 5887
  23. 7137
  24. 3844
  25. 1155
  26. 6264
  27. 460
  28. 3815
  29. 5319
  30. 1043
  31. 8001
  32. 8046
  33. 5850
  34. 7184
  35. 4116
  36. 1105
  37. 1713
  38. 5160
  39. 4452
  40. 3773

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