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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 167 · 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. 1.891 × 9 =
  2. 2.631 × 5 =
  3. 3.559 × 3 =
  4. 4.286 × 3 =
  5. 5.629 × 3 =
  6. 6.637 × 8 =
  7. 7.844 × 8 =
  8. 8.868 × 4 =
  9. 9.148 × 5 =
  10. 10.626 × 7 =
  11. 11.722 × 8 =
  12. 12.191 × 6 =
  13. 13.632 × 3 =
  14. 14.202 × 8 =
  15. 15.654 × 4 =
  16. 16.341 × 6 =
  17. 17.181 × 4 =
  18. 18.151 × 5 =
  19. 19.559 × 8 =
  20. 20.497 × 3 =
  21. 21.331 × 6 =
  22. 22.341 × 3 =
  23. 23.113 × 9 =
  24. 24.232 × 9 =
  25. 25.801 × 6 =
  26. 26.312 × 7 =
  27. 27.328 × 9 =
  28. 28.831 × 4 =
  29. 29.221 × 8 =
  30. 30.304 × 8 =
  31. 31.679 × 6 =
  32. 32.703 × 3 =
  33. 33.151 × 7 =
  34. 34.908 × 6 =
  35. 35.361 × 5 =
  36. 36.345 × 7 =
  37. 37.813 × 6 =
  38. 38.313 × 4 =
  39. 39.397 × 9 =
  40. 40.219 × 5 =

Answer key

  1. 8019
  2. 3155
  3. 1677
  4. 858
  5. 1887
  6. 5096
  7. 6752
  8. 3472
  9. 740
  10. 4382
  11. 5776
  12. 1146
  13. 1896
  14. 1616
  15. 2616
  16. 2046
  17. 724
  18. 755
  19. 4472
  20. 1491
  21. 1986
  22. 1023
  23. 1017
  24. 2088
  25. 4806
  26. 2184
  27. 2952
  28. 3324
  29. 1768
  30. 2432
  31. 4074
  32. 2109
  33. 1057
  34. 5448
  35. 1805
  36. 2415
  37. 4878
  38. 1252
  39. 3573
  40. 1095

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