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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 930 · 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. 1.761 × 9 =
  2. 2.356 × 8 =
  3. 3.856 × 8 =
  4. 4.971 × 4 =
  5. 5.773 × 5 =
  6. 6.153 × 3 =
  7. 7.787 × 4 =
  8. 8.151 × 4 =
  9. 9.359 × 6 =
  10. 10.591 × 9 =
  11. 11.551 × 5 =
  12. 12.812 × 4 =
  13. 13.808 × 7 =
  14. 14.789 × 6 =
  15. 15.221 × 4 =
  16. 16.245 × 8 =
  17. 17.498 × 3 =
  18. 18.206 × 3 =
  19. 19.865 × 4 =
  20. 20.513 × 3 =
  21. 21.544 × 4 =
  22. 22.423 × 8 =
  23. 23.129 × 9 =
  24. 24.764 × 5 =
  25. 25.645 × 9 =
  26. 26.907 × 3 =
  27. 27.911 × 4 =
  28. 28.344 × 3 =
  29. 29.662 × 3 =
  30. 30.159 × 4 =
  31. 31.469 × 9 =
  32. 32.484 × 8 =
  33. 33.342 × 8 =
  34. 34.669 × 8 =
  35. 35.689 × 9 =
  36. 36.611 × 7 =
  37. 37.955 × 4 =
  38. 38.513 × 5 =
  39. 39.184 × 6 =
  40. 40.491 × 5 =

Answer key

  1. 6849
  2. 2848
  3. 6848
  4. 3884
  5. 3865
  6. 459
  7. 3148
  8. 604
  9. 2154
  10. 5319
  11. 2755
  12. 3248
  13. 5656
  14. 4734
  15. 884
  16. 1960
  17. 1494
  18. 618
  19. 3460
  20. 1539
  21. 2176
  22. 3384
  23. 1161
  24. 3820
  25. 5805
  26. 2721
  27. 3644
  28. 1032
  29. 1986
  30. 636
  31. 4221
  32. 3872
  33. 2736
  34. 5352
  35. 6201
  36. 4277
  37. 3820
  38. 2565
  39. 1104
  40. 2455

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