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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 970 · 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. 1.811 × 3 =
  2. 2.822 × 8 =
  3. 3.877 × 9 =
  4. 4.353 × 9 =
  5. 5.826 × 8 =
  6. 6.211 × 6 =
  7. 7.926 × 6 =
  8. 8.798 × 5 =
  9. 9.758 × 9 =
  10. 10.381 × 4 =
  11. 11.271 × 6 =
  12. 12.759 × 6 =
  13. 13.831 × 3 =
  14. 14.684 × 4 =
  15. 15.119 × 6 =
  16. 16.926 × 3 =
  17. 17.505 × 4 =
  18. 18.351 × 4 =
  19. 19.211 × 3 =
  20. 20.791 × 9 =
  21. 21.561 × 4 =
  22. 22.952 × 7 =
  23. 23.458 × 9 =
  24. 24.394 × 3 =
  25. 25.281 × 4 =
  26. 26.183 × 6 =
  27. 27.981 × 7 =
  28. 28.331 × 4 =
  29. 29.279 × 4 =
  30. 30.265 × 9 =
  31. 31.289 × 5 =
  32. 32.681 × 8 =
  33. 33.177 × 9 =
  34. 34.399 × 7 =
  35. 35.452 × 3 =
  36. 36.181 × 8 =
  37. 37.143 × 8 =
  38. 38.125 × 6 =
  39. 39.734 × 7 =
  40. 40.763 × 9 =

Answer key

  1. 2433
  2. 6576
  3. 7893
  4. 3177
  5. 6608
  6. 1266
  7. 5556
  8. 3990
  9. 6822
  10. 1524
  11. 1626
  12. 4554
  13. 2493
  14. 2736
  15. 714
  16. 2778
  17. 2020
  18. 1404
  19. 633
  20. 7119
  21. 2244
  22. 6664
  23. 4122
  24. 1182
  25. 1124
  26. 1098
  27. 6867
  28. 1324
  29. 1116
  30. 2385
  31. 1445
  32. 5448
  33. 1593
  34. 2793
  35. 1356
  36. 1448
  37. 1144
  38. 750
  39. 5138
  40. 6867

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