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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 840 · 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. 1.948 × 6 =
  2. 2.879 × 5 =
  3. 3.326 × 7 =
  4. 4.652 × 7 =
  5. 5.928 × 6 =
  6. 6.286 × 6 =
  7. 7.846 × 5 =
  8. 8.898 × 6 =
  9. 9.185 × 5 =
  10. 10.381 × 8 =
  11. 11.271 × 7 =
  12. 12.947 × 9 =
  13. 13.275 × 8 =
  14. 14.731 × 8 =
  15. 15.225 × 6 =
  16. 16.375 × 6 =
  17. 17.342 × 4 =
  18. 18.531 × 6 =
  19. 19.139 × 8 =
  20. 20.383 × 8 =
  21. 21.441 × 4 =
  22. 22.324 × 7 =
  23. 23.307 × 6 =
  24. 24.937 × 5 =
  25. 25.518 × 8 =
  26. 26.724 × 6 =
  27. 27.731 × 5 =
  28. 28.677 × 8 =
  29. 29.621 × 4 =
  30. 30.898 × 9 =
  31. 31.193 × 4 =
  32. 32.644 × 3 =
  33. 33.432 × 3 =
  34. 34.205 × 4 =
  35. 35.584 × 3 =
  36. 36.573 × 3 =
  37. 37.657 × 7 =
  38. 38.423 × 5 =
  39. 39.634 × 9 =
  40. 40.778 × 8 =

Answer key

  1. 5688
  2. 4395
  3. 2282
  4. 4564
  5. 5568
  6. 1716
  7. 4230
  8. 5388
  9. 925
  10. 3048
  11. 1897
  12. 8523
  13. 2200
  14. 5848
  15. 1350
  16. 2250
  17. 1368
  18. 3186
  19. 1112
  20. 3064
  21. 1764
  22. 2268
  23. 1842
  24. 4685
  25. 4144
  26. 4344
  27. 3655
  28. 5416
  29. 2484
  30. 8082
  31. 772
  32. 1932
  33. 1296
  34. 820
  35. 1752
  36. 1719
  37. 4599
  38. 2115
  39. 5706
  40. 6224

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