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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 832 · 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. 1.954 × 9 =
  2. 2.617 × 9 =
  3. 3.793 × 8 =
  4. 4.219 × 3 =
  5. 5.957 × 6 =
  6. 6.931 × 4 =
  7. 7.566 × 6 =
  8. 8.405 × 6 =
  9. 9.495 × 6 =
  10. 10.354 × 7 =
  11. 11.511 × 7 =
  12. 12.891 × 3 =
  13. 13.464 × 7 =
  14. 14.743 × 3 =
  15. 15.494 × 4 =
  16. 16.989 × 9 =
  17. 17.246 × 4 =
  18. 18.711 × 6 =
  19. 19.601 × 7 =
  20. 20.462 × 6 =
  21. 21.163 × 3 =
  22. 22.199 × 9 =
  23. 23.646 × 3 =
  24. 24.777 × 8 =
  25. 25.738 × 6 =
  26. 26.324 × 6 =
  27. 27.959 × 7 =
  28. 28.393 × 7 =
  29. 29.338 × 7 =
  30. 30.447 × 5 =
  31. 31.372 × 9 =
  32. 32.211 × 4 =
  33. 33.122 × 8 =
  34. 34.642 × 9 =
  35. 35.941 × 4 =
  36. 36.363 × 3 =
  37. 37.715 × 4 =
  38. 38.291 × 3 =
  39. 39.746 × 4 =
  40. 40.916 × 3 =

Answer key

  1. 8586
  2. 5553
  3. 6344
  4. 657
  5. 5742
  6. 3724
  7. 3396
  8. 2430
  9. 2970
  10. 2478
  11. 3577
  12. 2673
  13. 3248
  14. 2229
  15. 1976
  16. 8901
  17. 984
  18. 4266
  19. 4207
  20. 2772
  21. 489
  22. 1791
  23. 1938
  24. 6216
  25. 4428
  26. 1944
  27. 6713
  28. 2751
  29. 2366
  30. 2235
  31. 3348
  32. 844
  33. 976
  34. 5778
  35. 3764
  36. 1089
  37. 2860
  38. 873
  39. 2984
  40. 2748

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