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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 27 · 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. 1.785 × 3 =
  2. 2.245 × 8 =
  3. 3.811 × 5 =
  4. 4.973 × 4 =
  5. 5.221 × 8 =
  6. 6.696 × 5 =
  7. 7.847 × 4 =
  8. 8.684 × 4 =
  9. 9.636 × 7 =
  10. 10.134 × 8 =
  11. 11.251 × 5 =
  12. 12.245 × 7 =
  13. 13.121 × 8 =
  14. 14.322 × 3 =
  15. 15.327 × 5 =
  16. 16.706 × 9 =
  17. 17.231 × 5 =
  18. 18.282 × 8 =
  19. 19.247 × 9 =
  20. 20.732 × 6 =
  21. 21.597 × 3 =
  22. 22.871 × 3 =
  23. 23.338 × 8 =
  24. 24.351 × 3 =
  25. 25.711 × 9 =
  26. 26.838 × 9 =
  27. 27.546 × 6 =
  28. 28.299 × 9 =
  29. 29.691 × 6 =
  30. 30.225 × 3 =
  31. 31.595 × 6 =
  32. 32.576 × 5 =
  33. 33.362 × 7 =
  34. 34.942 × 6 =
  35. 35.158 × 9 =
  36. 36.173 × 7 =
  37. 37.592 × 5 =
  38. 38.698 × 5 =
  39. 39.486 × 5 =
  40. 40.192 × 4 =

Answer key

  1. 2355
  2. 1960
  3. 4055
  4. 3892
  5. 1768
  6. 3480
  7. 3388
  8. 2736
  9. 4452
  10. 1072
  11. 1255
  12. 1715
  13. 968
  14. 966
  15. 1635
  16. 6354
  17. 1155
  18. 2256
  19. 2223
  20. 4392
  21. 1791
  22. 2613
  23. 2704
  24. 1053
  25. 6399
  26. 7542
  27. 3276
  28. 2691
  29. 4146
  30. 675
  31. 3570
  32. 2880
  33. 2534
  34. 5652
  35. 1422
  36. 1211
  37. 2960
  38. 3490
  39. 2430
  40. 768

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