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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 885 · 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. 2.194 × 8 =
  3. 3.358 × 3 =
  4. 4.201 × 4 =
  5. 5.901 × 8 =
  6. 6.314 × 9 =
  7. 7.273 × 9 =
  8. 8.499 × 7 =
  9. 9.181 × 6 =
  10. 10.964 × 8 =
  11. 11.777 × 5 =
  12. 12.774 × 4 =
  13. 13.342 × 4 =
  14. 14.684 × 7 =
  15. 15.139 × 6 =
  16. 16.315 × 3 =
  17. 17.572 × 5 =
  18. 18.422 × 8 =
  19. 19.377 × 6 =
  20. 20.751 × 3 =
  21. 21.278 × 7 =
  22. 22.334 × 4 =
  23. 23.652 × 4 =
  24. 24.337 × 3 =
  25. 25.594 × 3 =
  26. 26.196 × 8 =
  27. 27.338 × 6 =
  28. 28.889 × 9 =
  29. 29.604 × 9 =
  30. 30.678 × 4 =
  31. 31.192 × 4 =
  32. 32.811 × 7 =
  33. 33.536 × 4 =
  34. 34.888 × 7 =
  35. 35.864 × 6 =
  36. 36.687 × 4 =
  37. 37.166 × 5 =
  38. 38.524 × 7 =
  39. 39.138 × 3 =
  40. 40.861 × 3 =

Answer key

  1. 6849
  2. 1552
  3. 1074
  4. 804
  5. 7208
  6. 2826
  7. 2457
  8. 3493
  9. 1086
  10. 7712
  11. 3885
  12. 3096
  13. 1368
  14. 4788
  15. 834
  16. 945
  17. 2860
  18. 3376
  19. 2262
  20. 2253
  21. 1946
  22. 1336
  23. 2608
  24. 1011
  25. 1782
  26. 1568
  27. 2028
  28. 8001
  29. 5436
  30. 2712
  31. 768
  32. 5677
  33. 2144
  34. 6216
  35. 5184
  36. 2748
  37. 830
  38. 3668
  39. 414
  40. 2583

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