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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 920 · 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. 1.299 × 3 =
  2. 2.721 × 8 =
  3. 3.777 × 4 =
  4. 4.835 × 3 =
  5. 5.633 × 8 =
  6. 6.309 × 6 =
  7. 7.274 × 4 =
  8. 8.372 × 4 =
  9. 9.717 × 3 =
  10. 10.379 × 7 =
  11. 11.229 × 3 =
  12. 12.201 × 6 =
  13. 13.972 × 8 =
  14. 14.951 × 3 =
  15. 15.221 × 9 =
  16. 16.747 × 6 =
  17. 17.637 × 3 =
  18. 18.446 × 9 =
  19. 19.775 × 3 =
  20. 20.458 × 6 =
  21. 21.462 × 7 =
  22. 22.651 × 8 =
  23. 23.186 × 6 =
  24. 24.941 × 5 =
  25. 25.231 × 7 =
  26. 26.128 × 6 =
  27. 27.181 × 6 =
  28. 28.155 × 3 =
  29. 29.632 × 5 =
  30. 30.854 × 8 =
  31. 31.173 × 8 =
  32. 32.916 × 8 =
  33. 33.159 × 3 =
  34. 34.613 × 5 =
  35. 35.956 × 6 =
  36. 36.283 × 3 =
  37. 37.193 × 4 =
  38. 38.654 × 3 =
  39. 39.172 × 9 =
  40. 40.704 × 7 =

Answer key

  1. 897
  2. 5768
  3. 3108
  4. 2505
  5. 5064
  6. 1854
  7. 1096
  8. 1488
  9. 2151
  10. 2653
  11. 687
  12. 1206
  13. 7776
  14. 2853
  15. 1989
  16. 4482
  17. 1911
  18. 4014
  19. 2325
  20. 2748
  21. 3234
  22. 5208
  23. 1116
  24. 4705
  25. 1617
  26. 768
  27. 1086
  28. 465
  29. 3160
  30. 6832
  31. 1384
  32. 7328
  33. 477
  34. 3065
  35. 5736
  36. 849
  37. 772
  38. 1962
  39. 1548
  40. 4928

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