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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 889 · 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. 1.296 × 3 =
  2. 2.404 × 8 =
  3. 3.648 × 8 =
  4. 4.839 × 6 =
  5. 5.846 × 3 =
  6. 6.881 × 6 =
  7. 7.355 × 8 =
  8. 8.488 × 8 =
  9. 9.825 × 5 =
  10. 10.815 × 5 =
  11. 11.353 × 6 =
  12. 12.286 × 3 =
  13. 13.927 × 3 =
  14. 14.414 × 4 =
  15. 15.296 × 4 =
  16. 16.332 × 5 =
  17. 17.898 × 4 =
  18. 18.977 × 8 =
  19. 19.843 × 4 =
  20. 20.491 × 6 =
  21. 21.542 × 9 =
  22. 22.432 × 7 =
  23. 23.468 × 7 =
  24. 24.158 × 7 =
  25. 25.285 × 3 =
  26. 26.663 × 6 =
  27. 27.589 × 5 =
  28. 28.887 × 5 =
  29. 29.417 × 9 =
  30. 30.595 × 8 =
  31. 31.573 × 6 =
  32. 32.223 × 9 =
  33. 33.971 × 8 =
  34. 34.806 × 9 =
  35. 35.864 × 4 =
  36. 36.487 × 9 =
  37. 37.318 × 5 =
  38. 38.311 × 5 =
  39. 39.249 × 8 =
  40. 40.907 × 4 =

Answer key

  1. 888
  2. 3232
  3. 5184
  4. 5034
  5. 2538
  6. 5286
  7. 2840
  8. 3904
  9. 4125
  10. 4075
  11. 2118
  12. 858
  13. 2781
  14. 1656
  15. 1184
  16. 1660
  17. 3592
  18. 7816
  19. 3372
  20. 2946
  21. 4878
  22. 3024
  23. 3276
  24. 1106
  25. 855
  26. 3978
  27. 2945
  28. 4435
  29. 3753
  30. 4760
  31. 3438
  32. 2007
  33. 7768
  34. 7254
  35. 3456
  36. 4383
  37. 1590
  38. 1555
  39. 1992
  40. 3628

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