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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 976 · 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. 1.378 × 8 =
  2. 2.714 × 3 =
  3. 3.384 × 5 =
  4. 4.139 × 4 =
  5. 5.304 × 6 =
  6. 6.911 × 3 =
  7. 7.315 × 8 =
  8. 8.135 × 3 =
  9. 9.182 × 3 =
  10. 10.443 × 3 =
  11. 11.983 × 7 =
  12. 12.739 × 8 =
  13. 13.866 × 8 =
  14. 14.412 × 3 =
  15. 15.979 × 4 =
  16. 16.471 × 4 =
  17. 17.519 × 5 =
  18. 18.176 × 8 =
  19. 19.241 × 7 =
  20. 20.291 × 8 =
  21. 21.972 × 4 =
  22. 22.765 × 7 =
  23. 23.255 × 3 =
  24. 24.353 × 3 =
  25. 25.354 × 7 =
  26. 26.395 × 3 =
  27. 27.381 × 5 =
  28. 28.743 × 8 =
  29. 29.142 × 3 =
  30. 30.262 × 5 =
  31. 31.809 × 7 =
  32. 32.988 × 3 =
  33. 33.876 × 3 =
  34. 34.505 × 8 =
  35. 35.534 × 5 =
  36. 36.367 × 9 =
  37. 37.116 × 8 =
  38. 38.747 × 6 =
  39. 39.232 × 8 =
  40. 40.167 × 3 =

Answer key

  1. 3024
  2. 2142
  3. 1920
  4. 556
  5. 1824
  6. 2733
  7. 2520
  8. 405
  9. 546
  10. 1329
  11. 6881
  12. 5912
  13. 6928
  14. 1236
  15. 3916
  16. 1884
  17. 2595
  18. 1408
  19. 1687
  20. 2328
  21. 3888
  22. 5355
  23. 765
  24. 1059
  25. 2478
  26. 1185
  27. 1905
  28. 5944
  29. 426
  30. 1310
  31. 5663
  32. 2964
  33. 2628
  34. 4040
  35. 2670
  36. 3303
  37. 928
  38. 4482
  39. 1856
  40. 501

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