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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 687 · 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. 1.213 × 6 =
  2. 2.489 × 6 =
  3. 3.973 × 9 =
  4. 4.192 × 7 =
  5. 5.387 × 5 =
  6. 6.484 × 6 =
  7. 7.322 × 4 =
  8. 8.522 × 9 =
  9. 9.755 × 7 =
  10. 10.931 × 4 =
  11. 11.495 × 7 =
  12. 12.885 × 4 =
  13. 13.267 × 5 =
  14. 14.313 × 8 =
  15. 15.113 × 6 =
  16. 16.381 × 7 =
  17. 17.391 × 9 =
  18. 18.536 × 6 =
  19. 19.842 × 5 =
  20. 20.619 × 8 =
  21. 21.963 × 4 =
  22. 22.538 × 3 =
  23. 23.531 × 7 =
  24. 24.948 × 9 =
  25. 25.196 × 8 =
  26. 26.569 × 4 =
  27. 27.836 × 9 =
  28. 28.402 × 7 =
  29. 29.391 × 8 =
  30. 30.328 × 7 =
  31. 31.323 × 6 =
  32. 32.411 × 9 =
  33. 33.278 × 3 =
  34. 34.872 × 8 =
  35. 35.614 × 7 =
  36. 36.424 × 6 =
  37. 37.451 × 3 =
  38. 38.689 × 7 =
  39. 39.399 × 5 =
  40. 40.632 × 8 =

Answer key

  1. 1278
  2. 2934
  3. 8757
  4. 1344
  5. 1935
  6. 2904
  7. 1288
  8. 4698
  9. 5285
  10. 3724
  11. 3465
  12. 3540
  13. 1335
  14. 2504
  15. 678
  16. 2667
  17. 3519
  18. 3216
  19. 4210
  20. 4952
  21. 3852
  22. 1614
  23. 3717
  24. 8532
  25. 1568
  26. 2276
  27. 7524
  28. 2814
  29. 3128
  30. 2296
  31. 1938
  32. 3699
  33. 834
  34. 6976
  35. 4298
  36. 2544
  37. 1353
  38. 4823
  39. 1995
  40. 5056

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