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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 56 · 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. 1.964 × 3 =
  2. 2.736 × 7 =
  3. 3.515 × 9 =
  4. 4.838 × 4 =
  5. 5.149 × 7 =
  6. 6.661 × 8 =
  7. 7.383 × 6 =
  8. 8.267 × 9 =
  9. 9.358 × 4 =
  10. 10.515 × 7 =
  11. 11.457 × 4 =
  12. 12.549 × 7 =
  13. 13.311 × 4 =
  14. 14.153 × 5 =
  15. 15.713 × 3 =
  16. 16.137 × 3 =
  17. 17.673 × 7 =
  18. 18.129 × 7 =
  19. 19.257 × 7 =
  20. 20.151 × 4 =
  21. 21.854 × 4 =
  22. 22.154 × 6 =
  23. 23.394 × 4 =
  24. 24.263 × 5 =
  25. 25.706 × 5 =
  26. 26.973 × 6 =
  27. 27.597 × 4 =
  28. 28.267 × 5 =
  29. 29.904 × 9 =
  30. 30.252 × 4 =
  31. 31.795 × 5 =
  32. 32.191 × 7 =
  33. 33.766 × 6 =
  34. 34.341 × 6 =
  35. 35.488 × 9 =
  36. 36.407 × 4 =
  37. 37.744 × 7 =
  38. 38.562 × 7 =
  39. 39.359 × 6 =
  40. 40.514 × 5 =

Answer key

  1. 2892
  2. 5152
  3. 4635
  4. 3352
  5. 1043
  6. 5288
  7. 2298
  8. 2403
  9. 1432
  10. 3605
  11. 1828
  12. 3843
  13. 1244
  14. 765
  15. 2139
  16. 411
  17. 4711
  18. 903
  19. 1799
  20. 604
  21. 3416
  22. 924
  23. 1576
  24. 1315
  25. 3530
  26. 5838
  27. 2388
  28. 1335
  29. 8136
  30. 1008
  31. 3975
  32. 1337
  33. 4596
  34. 2046
  35. 4392
  36. 1628
  37. 5208
  38. 3934
  39. 2154
  40. 2570

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