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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 281 · 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. 1.493 × 4 =
  2. 2.202 × 5 =
  3. 3.327 × 3 =
  4. 4.299 × 4 =
  5. 5.134 × 6 =
  6. 6.462 × 7 =
  7. 7.859 × 3 =
  8. 8.129 × 9 =
  9. 9.508 × 4 =
  10. 10.248 × 3 =
  11. 11.354 × 9 =
  12. 12.233 × 6 =
  13. 13.799 × 3 =
  14. 14.304 × 4 =
  15. 15.963 × 7 =
  16. 16.861 × 9 =
  17. 17.165 × 9 =
  18. 18.419 × 9 =
  19. 19.481 × 9 =
  20. 20.333 × 8 =
  21. 21.509 × 5 =
  22. 22.407 × 7 =
  23. 23.349 × 3 =
  24. 24.701 × 9 =
  25. 25.148 × 8 =
  26. 26.897 × 5 =
  27. 27.482 × 4 =
  28. 28.125 × 5 =
  29. 29.709 × 6 =
  30. 30.854 × 4 =
  31. 31.751 × 4 =
  32. 32.585 × 7 =
  33. 33.881 × 7 =
  34. 34.307 × 4 =
  35. 35.194 × 6 =
  36. 36.674 × 6 =
  37. 37.658 × 6 =
  38. 38.493 × 3 =
  39. 39.151 × 4 =
  40. 40.903 × 9 =

Answer key

  1. 1972
  2. 1010
  3. 981
  4. 1196
  5. 804
  6. 3234
  7. 2577
  8. 1161
  9. 2032
  10. 744
  11. 3186
  12. 1398
  13. 2397
  14. 1216
  15. 6741
  16. 7749
  17. 1485
  18. 3771
  19. 4329
  20. 2664
  21. 2545
  22. 2849
  23. 1047
  24. 6309
  25. 1184
  26. 4485
  27. 1928
  28. 625
  29. 4254
  30. 3416
  31. 3004
  32. 4095
  33. 6167
  34. 1228
  35. 1164
  36. 4044
  37. 3948
  38. 1479
  39. 604
  40. 8127

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