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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 883 · 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. 1.251 × 8 =
  2. 2.743 × 7 =
  3. 3.425 × 9 =
  4. 4.458 × 3 =
  5. 5.627 × 8 =
  6. 6.944 × 7 =
  7. 7.702 × 6 =
  8. 8.437 × 4 =
  9. 9.579 × 5 =
  10. 10.242 × 5 =
  11. 11.871 × 3 =
  12. 12.375 × 4 =
  13. 13.649 × 7 =
  14. 14.154 × 6 =
  15. 15.259 × 7 =
  16. 16.809 × 8 =
  17. 17.736 × 7 =
  18. 18.318 × 4 =
  19. 19.333 × 8 =
  20. 20.981 × 5 =
  21. 21.734 × 9 =
  22. 22.956 × 4 =
  23. 23.819 × 9 =
  24. 24.893 × 6 =
  25. 25.671 × 3 =
  26. 26.256 × 8 =
  27. 27.898 × 6 =
  28. 28.692 × 6 =
  29. 29.346 × 7 =
  30. 30.336 × 9 =
  31. 31.286 × 4 =
  32. 32.441 × 8 =
  33. 33.606 × 3 =
  34. 34.367 × 6 =
  35. 35.963 × 6 =
  36. 36.137 × 7 =
  37. 37.504 × 7 =
  38. 38.696 × 6 =
  39. 39.199 × 5 =
  40. 40.927 × 3 =

Answer key

  1. 2008
  2. 5201
  3. 3825
  4. 1374
  5. 5016
  6. 6608
  7. 4212
  8. 1748
  9. 2895
  10. 1210
  11. 2613
  12. 1500
  13. 4543
  14. 924
  15. 1813
  16. 6472
  17. 5152
  18. 1272
  19. 2664
  20. 4905
  21. 6606
  22. 3824
  23. 7371
  24. 5358
  25. 2013
  26. 2048
  27. 5388
  28. 4152
  29. 2422
  30. 3024
  31. 1144
  32. 3528
  33. 1818
  34. 2202
  35. 5778
  36. 959
  37. 3528
  38. 4176
  39. 995
  40. 2781

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