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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 877 · 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. 1.803 × 7 =
  2. 2.875 × 4 =
  3. 3.368 × 9 =
  4. 4.779 × 6 =
  5. 5.533 × 4 =
  6. 6.605 × 8 =
  7. 7.341 × 5 =
  8. 8.731 × 6 =
  9. 9.838 × 7 =
  10. 10.287 × 8 =
  11. 11.143 × 6 =
  12. 12.398 × 6 =
  13. 13.475 × 5 =
  14. 14.327 × 3 =
  15. 15.536 × 3 =
  16. 16.887 × 5 =
  17. 17.636 × 3 =
  18. 18.645 × 8 =
  19. 19.359 × 4 =
  20. 20.368 × 3 =
  21. 21.895 × 7 =
  22. 22.815 × 4 =
  23. 23.276 × 4 =
  24. 24.825 × 9 =
  25. 25.935 × 7 =
  26. 26.856 × 7 =
  27. 27.708 × 3 =
  28. 28.626 × 5 =
  29. 29.882 × 3 =
  30. 30.435 × 6 =
  31. 31.559 × 9 =
  32. 32.468 × 8 =
  33. 33.741 × 7 =
  34. 34.558 × 9 =
  35. 35.905 × 3 =
  36. 36.196 × 3 =
  37. 37.705 × 6 =
  38. 38.804 × 6 =
  39. 39.415 × 8 =
  40. 40.717 × 9 =

Answer key

  1. 5621
  2. 3500
  3. 3312
  4. 4674
  5. 2132
  6. 4840
  7. 1705
  8. 4386
  9. 5866
  10. 2296
  11. 858
  12. 2388
  13. 2375
  14. 981
  15. 1608
  16. 4435
  17. 1908
  18. 5160
  19. 1436
  20. 1104
  21. 6265
  22. 3260
  23. 1104
  24. 7425
  25. 6545
  26. 5992
  27. 2124
  28. 3130
  29. 2646
  30. 2610
  31. 5031
  32. 3744
  33. 5187
  34. 5022
  35. 2715
  36. 588
  37. 4230
  38. 4824
  39. 3320
  40. 6453

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