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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 73 · 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. 1.946 × 9 =
  2. 2.472 × 4 =
  3. 3.679 × 4 =
  4. 4.959 × 9 =
  5. 5.572 × 3 =
  6. 6.173 × 4 =
  7. 7.767 × 6 =
  8. 8.154 × 8 =
  9. 9.383 × 5 =
  10. 10.119 × 6 =
  11. 11.471 × 6 =
  12. 12.372 × 9 =
  13. 13.942 × 5 =
  14. 14.171 × 4 =
  15. 15.734 × 8 =
  16. 16.475 × 5 =
  17. 17.773 × 8 =
  18. 18.723 × 8 =
  19. 19.121 × 8 =
  20. 20.429 × 3 =
  21. 21.749 × 5 =
  22. 22.309 × 7 =
  23. 23.262 × 7 =
  24. 24.427 × 7 =
  25. 25.444 × 4 =
  26. 26.249 × 9 =
  27. 27.484 × 8 =
  28. 28.758 × 9 =
  29. 29.742 × 6 =
  30. 30.247 × 9 =
  31. 31.353 × 4 =
  32. 32.302 × 7 =
  33. 33.858 × 7 =
  34. 34.161 × 8 =
  35. 35.967 × 4 =
  36. 36.563 × 7 =
  37. 37.322 × 8 =
  38. 38.936 × 4 =
  39. 39.893 × 6 =
  40. 40.614 × 8 =

Answer key

  1. 8514
  2. 1888
  3. 2716
  4. 8631
  5. 1716
  6. 692
  7. 4602
  8. 1232
  9. 1915
  10. 714
  11. 2826
  12. 3348
  13. 4710
  14. 684
  15. 5872
  16. 2375
  17. 6184
  18. 5784
  19. 968
  20. 1287
  21. 3745
  22. 2163
  23. 1834
  24. 2989
  25. 1776
  26. 2241
  27. 3872
  28. 6822
  29. 4452
  30. 2223
  31. 1412
  32. 2114
  33. 6006
  34. 1288
  35. 3868
  36. 3941
  37. 2576
  38. 3744
  39. 5358
  40. 4912

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