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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 827 · 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. 1.236 × 3 =
  2. 2.814 × 8 =
  3. 3.328 × 5 =
  4. 4.491 × 7 =
  5. 5.579 × 3 =
  6. 6.825 × 6 =
  7. 7.151 × 5 =
  8. 8.733 × 6 =
  9. 9.278 × 8 =
  10. 10.847 × 3 =
  11. 11.715 × 8 =
  12. 12.483 × 7 =
  13. 13.631 × 9 =
  14. 14.541 × 3 =
  15. 15.281 × 5 =
  16. 16.413 × 3 =
  17. 17.601 × 3 =
  18. 18.163 × 9 =
  19. 19.241 × 3 =
  20. 20.652 × 5 =
  21. 21.657 × 7 =
  22. 22.363 × 4 =
  23. 23.155 × 5 =
  24. 24.484 × 9 =
  25. 25.317 × 9 =
  26. 26.731 × 5 =
  27. 27.362 × 3 =
  28. 28.579 × 8 =
  29. 29.827 × 8 =
  30. 30.898 × 3 =
  31. 31.436 × 8 =
  32. 32.731 × 7 =
  33. 33.189 × 5 =
  34. 34.826 × 8 =
  35. 35.368 × 4 =
  36. 36.284 × 4 =
  37. 37.252 × 8 =
  38. 38.621 × 5 =
  39. 39.455 × 4 =
  40. 40.206 × 7 =

Answer key

  1. 708
  2. 6512
  3. 1640
  4. 3437
  5. 1737
  6. 4950
  7. 755
  8. 4398
  9. 2224
  10. 2541
  11. 5720
  12. 3381
  13. 5679
  14. 1623
  15. 1405
  16. 1239
  17. 1803
  18. 1467
  19. 723
  20. 3260
  21. 4599
  22. 1452
  23. 775
  24. 4356
  25. 2853
  26. 3655
  27. 1086
  28. 4632
  29. 6616
  30. 2694
  31. 3488
  32. 5117
  33. 945
  34. 6608
  35. 1472
  36. 1136
  37. 2016
  38. 3105
  39. 1820
  40. 1442

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