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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 22 · 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. 1.361 × 8 =
  2. 2.784 × 6 =
  3. 3.552 × 9 =
  4. 4.392 × 7 =
  5. 5.636 × 9 =
  6. 6.131 × 5 =
  7. 7.249 × 3 =
  8. 8.689 × 4 =
  9. 9.364 × 5 =
  10. 10.927 × 5 =
  11. 11.316 × 8 =
  12. 12.159 × 7 =
  13. 13.866 × 4 =
  14. 14.205 × 7 =
  15. 15.248 × 9 =
  16. 16.201 × 6 =
  17. 17.686 × 7 =
  18. 18.762 × 6 =
  19. 19.988 × 8 =
  20. 20.913 × 5 =
  21. 21.699 × 7 =
  22. 22.398 × 3 =
  23. 23.927 × 6 =
  24. 24.207 × 5 =
  25. 25.511 × 9 =
  26. 26.123 × 9 =
  27. 27.423 × 7 =
  28. 28.218 × 5 =
  29. 29.834 × 3 =
  30. 30.841 × 3 =
  31. 31.867 × 4 =
  32. 32.549 × 5 =
  33. 33.311 × 4 =
  34. 34.913 × 6 =
  35. 35.232 × 7 =
  36. 36.132 × 4 =
  37. 37.169 × 4 =
  38. 38.442 × 5 =
  39. 39.513 × 9 =
  40. 40.529 × 3 =

Answer key

  1. 2888
  2. 4704
  3. 4968
  4. 2744
  5. 5724
  6. 655
  7. 747
  8. 2756
  9. 1820
  10. 4635
  11. 2528
  12. 1113
  13. 3464
  14. 1435
  15. 2232
  16. 1206
  17. 4802
  18. 4572
  19. 7904
  20. 4565
  21. 4893
  22. 1194
  23. 5562
  24. 1035
  25. 4599
  26. 1107
  27. 2961
  28. 1090
  29. 2502
  30. 2523
  31. 3468
  32. 2745
  33. 1244
  34. 5478
  35. 1624
  36. 528
  37. 676
  38. 2210
  39. 4617
  40. 1587

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