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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 923 · 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. 1.591 × 5 =
  2. 2.733 × 9 =
  3. 3.467 × 5 =
  4. 4.459 × 8 =
  5. 5.516 × 3 =
  6. 6.359 × 6 =
  7. 7.151 × 3 =
  8. 8.683 × 5 =
  9. 9.113 × 6 =
  10. 10.624 × 4 =
  11. 11.161 × 4 =
  12. 12.291 × 7 =
  13. 13.225 × 4 =
  14. 14.751 × 4 =
  15. 15.951 × 9 =
  16. 16.475 × 4 =
  17. 17.881 × 9 =
  18. 18.837 × 9 =
  19. 19.243 × 4 =
  20. 20.158 × 9 =
  21. 21.364 × 9 =
  22. 22.206 × 4 =
  23. 23.712 × 5 =
  24. 24.226 × 9 =
  25. 25.887 × 9 =
  26. 26.837 × 8 =
  27. 27.943 × 6 =
  28. 28.422 × 8 =
  29. 29.154 × 6 =
  30. 30.731 × 5 =
  31. 31.808 × 3 =
  32. 32.526 × 3 =
  33. 33.576 × 5 =
  34. 34.614 × 4 =
  35. 35.524 × 6 =
  36. 36.985 × 3 =
  37. 37.746 × 3 =
  38. 38.741 × 5 =
  39. 39.521 × 6 =
  40. 40.924 × 4 =

Answer key

  1. 2955
  2. 6597
  3. 2335
  4. 3672
  5. 1548
  6. 2154
  7. 453
  8. 3415
  9. 678
  10. 2496
  11. 644
  12. 2037
  13. 900
  14. 3004
  15. 8559
  16. 1900
  17. 7929
  18. 7533
  19. 972
  20. 1422
  21. 3276
  22. 824
  23. 3560
  24. 2034
  25. 7983
  26. 6696
  27. 5658
  28. 3376
  29. 924
  30. 3655
  31. 2424
  32. 1578
  33. 2880
  34. 2456
  35. 3144
  36. 2955
  37. 2238
  38. 3705
  39. 3126
  40. 3696

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