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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 706 · 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. 1.192 × 6 =
  2. 2.575 × 5 =
  3. 3.827 × 9 =
  4. 4.757 × 5 =
  5. 5.979 × 7 =
  6. 6.967 × 5 =
  7. 7.549 × 8 =
  8. 8.286 × 5 =
  9. 9.158 × 8 =
  10. 10.333 × 9 =
  11. 11.539 × 4 =
  12. 12.902 × 9 =
  13. 13.267 × 8 =
  14. 14.375 × 5 =
  15. 15.586 × 6 =
  16. 16.901 × 6 =
  17. 17.581 × 9 =
  18. 18.771 × 7 =
  19. 19.611 × 7 =
  20. 20.566 × 8 =
  21. 21.871 × 3 =
  22. 22.432 × 3 =
  23. 23.575 × 9 =
  24. 24.361 × 4 =
  25. 25.931 × 4 =
  26. 26.162 × 8 =
  27. 27.957 × 4 =
  28. 28.158 × 6 =
  29. 29.865 × 8 =
  30. 30.981 × 9 =
  31. 31.586 × 5 =
  32. 32.797 × 3 =
  33. 33.732 × 5 =
  34. 34.317 × 3 =
  35. 35.165 × 9 =
  36. 36.364 × 6 =
  37. 37.753 × 9 =
  38. 38.501 × 4 =
  39. 39.671 × 4 =
  40. 40.982 × 3 =

Answer key

  1. 1152
  2. 2875
  3. 7443
  4. 3785
  5. 6853
  6. 4835
  7. 4392
  8. 1430
  9. 1264
  10. 2997
  11. 2156
  12. 8118
  13. 2136
  14. 1875
  15. 3516
  16. 5406
  17. 5229
  18. 5397
  19. 4277
  20. 4528
  21. 2613
  22. 1296
  23. 5175
  24. 1444
  25. 3724
  26. 1296
  27. 3828
  28. 948
  29. 6920
  30. 8829
  31. 2930
  32. 2391
  33. 3660
  34. 951
  35. 1485
  36. 2184
  37. 6777
  38. 2004
  39. 2684
  40. 2946

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