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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 915 · 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. 1.515 × 4 =
  2. 2.965 × 5 =
  3. 3.192 × 5 =
  4. 4.689 × 6 =
  5. 5.301 × 4 =
  6. 6.481 × 4 =
  7. 7.263 × 4 =
  8. 8.767 × 6 =
  9. 9.522 × 4 =
  10. 10.152 × 3 =
  11. 11.693 × 6 =
  12. 12.743 × 3 =
  13. 13.394 × 5 =
  14. 14.113 × 7 =
  15. 15.781 × 8 =
  16. 16.933 × 4 =
  17. 17.867 × 5 =
  18. 18.209 × 7 =
  19. 19.956 × 3 =
  20. 20.827 × 6 =
  21. 21.144 × 9 =
  22. 22.323 × 3 =
  23. 23.264 × 3 =
  24. 24.305 × 6 =
  25. 25.562 × 8 =
  26. 26.391 × 9 =
  27. 27.215 × 4 =
  28. 28.855 × 7 =
  29. 29.163 × 3 =
  30. 30.226 × 6 =
  31. 31.632 × 7 =
  32. 32.179 × 5 =
  33. 33.541 × 3 =
  34. 34.772 × 7 =
  35. 35.265 × 9 =
  36. 36.788 × 6 =
  37. 37.231 × 8 =
  38. 38.641 × 3 =
  39. 39.642 × 3 =
  40. 40.301 × 7 =

Answer key

  1. 2060
  2. 4825
  3. 960
  4. 4134
  5. 1204
  6. 1924
  7. 1052
  8. 4602
  9. 2088
  10. 456
  11. 4158
  12. 2229
  13. 1970
  14. 791
  15. 6248
  16. 3732
  17. 4335
  18. 1463
  19. 2868
  20. 4962
  21. 1296
  22. 969
  23. 792
  24. 1830
  25. 4496
  26. 3519
  27. 860
  28. 5985
  29. 489
  30. 1356
  31. 4424
  32. 895
  33. 1623
  34. 5404
  35. 2385
  36. 4728
  37. 1848
  38. 1923
  39. 1926
  40. 2107

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