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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 958 · 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. 1.739 × 5 =
  2. 2.899 × 7 =
  3. 3.824 × 6 =
  4. 4.718 × 6 =
  5. 5.314 × 8 =
  6. 6.566 × 7 =
  7. 7.755 × 4 =
  8. 8.562 × 7 =
  9. 9.584 × 5 =
  10. 10.721 × 4 =
  11. 11.683 × 6 =
  12. 12.786 × 4 =
  13. 13.626 × 6 =
  14. 14.863 × 4 =
  15. 15.776 × 3 =
  16. 16.628 × 5 =
  17. 17.481 × 7 =
  18. 18.935 × 9 =
  19. 19.485 × 7 =
  20. 20.971 × 4 =
  21. 21.602 × 9 =
  22. 22.215 × 4 =
  23. 23.831 × 4 =
  24. 24.251 × 4 =
  25. 25.351 × 7 =
  26. 26.424 × 4 =
  27. 27.571 × 9 =
  28. 28.194 × 5 =
  29. 29.182 × 5 =
  30. 30.648 × 5 =
  31. 31.198 × 8 =
  32. 32.611 × 9 =
  33. 33.864 × 9 =
  34. 34.952 × 3 =
  35. 35.112 × 4 =
  36. 36.475 × 8 =
  37. 37.786 × 5 =
  38. 38.709 × 3 =
  39. 39.496 × 5 =
  40. 40.539 × 6 =

Answer key

  1. 3695
  2. 6293
  3. 4944
  4. 4308
  5. 2512
  6. 3962
  7. 3020
  8. 3934
  9. 2920
  10. 2884
  11. 4098
  12. 3144
  13. 3756
  14. 3452
  15. 2328
  16. 3140
  17. 3367
  18. 8415
  19. 3395
  20. 3884
  21. 5418
  22. 860
  23. 3324
  24. 1004
  25. 2457
  26. 1696
  27. 5139
  28. 970
  29. 910
  30. 3240
  31. 1584
  32. 5499
  33. 7776
  34. 2856
  35. 448
  36. 3800
  37. 3930
  38. 2127
  39. 2480
  40. 3234

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