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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 944 · 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. 1.433 × 8 =
  2. 2.319 × 7 =
  3. 3.886 × 7 =
  4. 4.494 × 8 =
  5. 5.906 × 3 =
  6. 6.253 × 5 =
  7. 7.464 × 5 =
  8. 8.507 × 3 =
  9. 9.849 × 8 =
  10. 10.441 × 8 =
  11. 11.828 × 3 =
  12. 12.482 × 9 =
  13. 13.692 × 3 =
  14. 14.272 × 5 =
  15. 15.219 × 5 =
  16. 16.141 × 4 =
  17. 17.841 × 4 =
  18. 18.457 × 8 =
  19. 19.351 × 6 =
  20. 20.511 × 4 =
  21. 21.459 × 7 =
  22. 22.778 × 4 =
  23. 23.631 × 5 =
  24. 24.717 × 7 =
  25. 25.911 × 4 =
  26. 26.719 × 5 =
  27. 27.237 × 7 =
  28. 28.924 × 7 =
  29. 29.482 × 4 =
  30. 30.727 × 3 =
  31. 31.853 × 4 =
  32. 32.831 × 7 =
  33. 33.505 × 9 =
  34. 34.973 × 6 =
  35. 35.771 × 5 =
  36. 36.484 × 5 =
  37. 37.513 × 7 =
  38. 38.313 × 7 =
  39. 39.343 × 8 =
  40. 40.208 × 9 =

Answer key

  1. 3464
  2. 2233
  3. 6202
  4. 3952
  5. 2718
  6. 1265
  7. 2320
  8. 1521
  9. 6792
  10. 3528
  11. 2484
  12. 4338
  13. 2076
  14. 1360
  15. 1095
  16. 564
  17. 3364
  18. 3656
  19. 2106
  20. 2044
  21. 3213
  22. 3112
  23. 3155
  24. 5019
  25. 3644
  26. 3595
  27. 1659
  28. 6468
  29. 1928
  30. 2181
  31. 3412
  32. 5817
  33. 4545
  34. 5838
  35. 3855
  36. 2420
  37. 3591
  38. 2191
  39. 2744
  40. 1872

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