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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 466 · 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. 1.491 × 4 =
  2. 2.575 × 5 =
  3. 3.336 × 3 =
  4. 4.498 × 9 =
  5. 5.197 × 7 =
  6. 6.303 × 5 =
  7. 7.731 × 3 =
  8. 8.751 × 4 =
  9. 9.272 × 7 =
  10. 10.306 × 6 =
  11. 11.183 × 3 =
  12. 12.377 × 8 =
  13. 13.169 × 7 =
  14. 14.416 × 4 =
  15. 15.188 × 3 =
  16. 16.224 × 7 =
  17. 17.861 × 4 =
  18. 18.954 × 3 =
  19. 19.441 × 7 =
  20. 20.402 × 7 =
  21. 21.567 × 5 =
  22. 22.873 × 8 =
  23. 23.323 × 9 =
  24. 24.244 × 6 =
  25. 25.504 × 3 =
  26. 26.701 × 8 =
  27. 27.412 × 8 =
  28. 28.719 × 7 =
  29. 29.316 × 3 =
  30. 30.681 × 3 =
  31. 31.321 × 4 =
  32. 32.691 × 9 =
  33. 33.294 × 5 =
  34. 34.828 × 9 =
  35. 35.473 × 9 =
  36. 36.834 × 9 =
  37. 37.214 × 5 =
  38. 38.348 × 9 =
  39. 39.891 × 4 =
  40. 40.281 × 8 =

Answer key

  1. 1964
  2. 2875
  3. 1008
  4. 4482
  5. 1379
  6. 1515
  7. 2193
  8. 3004
  9. 1904
  10. 1836
  11. 549
  12. 3016
  13. 1183
  14. 1664
  15. 564
  16. 1568
  17. 3444
  18. 2862
  19. 3087
  20. 2814
  21. 2835
  22. 6984
  23. 2907
  24. 1464
  25. 1512
  26. 5608
  27. 3296
  28. 5033
  29. 948
  30. 2043
  31. 1284
  32. 6219
  33. 1470
  34. 7452
  35. 4257
  36. 7506
  37. 1070
  38. 3132
  39. 3564
  40. 2248

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