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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 862 · 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. 1.887 × 5 =
  2. 2.242 × 4 =
  3. 3.418 × 8 =
  4. 4.483 × 8 =
  5. 5.857 × 4 =
  6. 6.651 × 4 =
  7. 7.543 × 9 =
  8. 8.407 × 3 =
  9. 9.621 × 4 =
  10. 10.349 × 4 =
  11. 11.888 × 5 =
  12. 12.877 × 6 =
  13. 13.504 × 4 =
  14. 14.464 × 3 =
  15. 15.912 × 7 =
  16. 16.178 × 4 =
  17. 17.139 × 7 =
  18. 18.511 × 7 =
  19. 19.151 × 8 =
  20. 20.987 × 9 =
  21. 21.167 × 5 =
  22. 22.553 × 3 =
  23. 23.742 × 6 =
  24. 24.417 × 4 =
  25. 25.809 × 8 =
  26. 26.689 × 5 =
  27. 27.404 × 5 =
  28. 28.591 × 8 =
  29. 29.771 × 7 =
  30. 30.534 × 3 =
  31. 31.767 × 9 =
  32. 32.522 × 6 =
  33. 33.368 × 4 =
  34. 34.406 × 7 =
  35. 35.736 × 5 =
  36. 36.757 × 3 =
  37. 37.133 × 4 =
  38. 38.217 × 6 =
  39. 39.253 × 5 =
  40. 40.687 × 6 =

Answer key

  1. 4435
  2. 968
  3. 3344
  4. 3864
  5. 3428
  6. 2604
  7. 4887
  8. 1221
  9. 2484
  10. 1396
  11. 4440
  12. 5262
  13. 2016
  14. 1392
  15. 6384
  16. 712
  17. 973
  18. 3577
  19. 1208
  20. 8883
  21. 835
  22. 1659
  23. 4452
  24. 1668
  25. 6472
  26. 3445
  27. 2020
  28. 4728
  29. 5397
  30. 1602
  31. 6903
  32. 3132
  33. 1472
  34. 2842
  35. 3680
  36. 2271
  37. 532
  38. 1302
  39. 1265
  40. 4122

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