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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 942 · 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. 1.774 × 5 =
  2. 2.866 × 8 =
  3. 3.816 × 3 =
  4. 4.386 × 6 =
  5. 5.616 × 3 =
  6. 6.694 × 9 =
  7. 7.299 × 5 =
  8. 8.859 × 3 =
  9. 9.326 × 7 =
  10. 10.384 × 5 =
  11. 11.354 × 7 =
  12. 12.876 × 4 =
  13. 13.186 × 6 =
  14. 14.619 × 9 =
  15. 15.427 × 5 =
  16. 16.905 × 4 =
  17. 17.453 × 7 =
  18. 18.128 × 4 =
  19. 19.311 × 7 =
  20. 20.487 × 7 =
  21. 21.704 × 9 =
  22. 22.356 × 7 =
  23. 23.297 × 9 =
  24. 24.132 × 3 =
  25. 25.704 × 6 =
  26. 26.288 × 4 =
  27. 27.203 × 5 =
  28. 28.896 × 9 =
  29. 29.608 × 9 =
  30. 30.347 × 4 =
  31. 31.831 × 5 =
  32. 32.394 × 4 =
  33. 33.221 × 3 =
  34. 34.266 × 7 =
  35. 35.642 × 6 =
  36. 36.141 × 7 =
  37. 37.411 × 4 =
  38. 38.737 × 9 =
  39. 39.189 × 3 =
  40. 40.941 × 9 =

Answer key

  1. 3870
  2. 6928
  3. 2448
  4. 2316
  5. 1848
  6. 6246
  7. 1495
  8. 2577
  9. 2282
  10. 1920
  11. 2478
  12. 3504
  13. 1116
  14. 5571
  15. 2135
  16. 3620
  17. 3171
  18. 512
  19. 2177
  20. 3409
  21. 6336
  22. 2492
  23. 2673
  24. 396
  25. 4224
  26. 1152
  27. 1015
  28. 8064
  29. 5472
  30. 1388
  31. 4155
  32. 1576
  33. 663
  34. 1862
  35. 3852
  36. 987
  37. 1644
  38. 6633
  39. 567
  40. 8469

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