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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 953 · 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. 1.643 × 4 =
  2. 2.536 × 9 =
  3. 3.412 × 5 =
  4. 4.491 × 3 =
  5. 5.916 × 7 =
  6. 6.955 × 6 =
  7. 7.115 × 5 =
  8. 8.895 × 9 =
  9. 9.782 × 9 =
  10. 10.919 × 4 =
  11. 11.319 × 8 =
  12. 12.966 × 5 =
  13. 13.657 × 4 =
  14. 14.861 × 8 =
  15. 15.181 × 3 =
  16. 16.452 × 3 =
  17. 17.819 × 7 =
  18. 18.631 × 3 =
  19. 19.962 × 4 =
  20. 20.411 × 4 =
  21. 21.469 × 3 =
  22. 22.746 × 8 =
  23. 23.662 × 9 =
  24. 24.792 × 4 =
  25. 25.428 × 9 =
  26. 26.929 × 7 =
  27. 27.385 × 8 =
  28. 28.333 × 8 =
  29. 29.234 × 3 =
  30. 30.235 × 4 =
  31. 31.371 × 6 =
  32. 32.633 × 4 =
  33. 33.155 × 6 =
  34. 34.371 × 7 =
  35. 35.781 × 8 =
  36. 36.298 × 7 =
  37. 37.402 × 9 =
  38. 38.263 × 7 =
  39. 39.215 × 9 =
  40. 40.779 × 3 =

Answer key

  1. 2572
  2. 4824
  3. 2060
  4. 1473
  5. 6412
  6. 5730
  7. 575
  8. 8055
  9. 7038
  10. 3676
  11. 2552
  12. 4830
  13. 2628
  14. 6888
  15. 543
  16. 1356
  17. 5733
  18. 1893
  19. 3848
  20. 1644
  21. 1407
  22. 5968
  23. 5958
  24. 3168
  25. 3852
  26. 6503
  27. 3080
  28. 2664
  29. 702
  30. 940
  31. 2226
  32. 2532
  33. 930
  34. 2597
  35. 6248
  36. 2086
  37. 3618
  38. 1841
  39. 1935
  40. 2337

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