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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 907 · 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. 1.497 × 5 =
  2. 2.505 × 6 =
  3. 3.593 × 6 =
  4. 4.512 × 5 =
  5. 5.528 × 7 =
  6. 6.166 × 4 =
  7. 7.277 × 7 =
  8. 8.203 × 7 =
  9. 9.281 × 3 =
  10. 10.304 × 4 =
  11. 11.487 × 4 =
  12. 12.757 × 9 =
  13. 13.541 × 3 =
  14. 14.577 × 5 =
  15. 15.492 × 7 =
  16. 16.591 × 4 =
  17. 17.474 × 4 =
  18. 18.925 × 6 =
  19. 19.221 × 7 =
  20. 20.601 × 3 =
  21. 21.816 × 8 =
  22. 22.148 × 4 =
  23. 23.251 × 7 =
  24. 24.741 × 9 =
  25. 25.241 × 7 =
  26. 26.859 × 3 =
  27. 27.291 × 4 =
  28. 28.773 × 3 =
  29. 29.899 × 6 =
  30. 30.565 × 5 =
  31. 31.691 × 3 =
  32. 32.181 × 5 =
  33. 33.846 × 6 =
  34. 34.181 × 6 =
  35. 35.952 × 3 =
  36. 36.126 × 5 =
  37. 37.245 × 5 =
  38. 38.362 × 6 =
  39. 39.191 × 4 =
  40. 40.623 × 7 =

Answer key

  1. 2485
  2. 3030
  3. 3558
  4. 2560
  5. 3696
  6. 664
  7. 1939
  8. 1421
  9. 843
  10. 1216
  11. 1948
  12. 6813
  13. 1623
  14. 2885
  15. 3444
  16. 2364
  17. 1896
  18. 5550
  19. 1547
  20. 1803
  21. 6528
  22. 592
  23. 1757
  24. 6669
  25. 1687
  26. 2577
  27. 1164
  28. 2319
  29. 5394
  30. 2825
  31. 2073
  32. 905
  33. 5076
  34. 1086
  35. 2856
  36. 630
  37. 1225
  38. 2172
  39. 764
  40. 4361

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