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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 569 · 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. 1.718 × 6 =
  2. 2.334 × 3 =
  3. 3.126 × 6 =
  4. 4.227 × 5 =
  5. 5.913 × 4 =
  6. 6.305 × 4 =
  7. 7.786 × 8 =
  8. 8.847 × 6 =
  9. 9.905 × 4 =
  10. 10.312 × 9 =
  11. 11.328 × 7 =
  12. 12.252 × 8 =
  13. 13.583 × 9 =
  14. 14.343 × 4 =
  15. 15.733 × 8 =
  16. 16.351 × 6 =
  17. 17.906 × 4 =
  18. 18.965 × 4 =
  19. 19.423 × 5 =
  20. 20.989 × 5 =
  21. 21.974 × 8 =
  22. 22.161 × 9 =
  23. 23.208 × 9 =
  24. 24.863 × 9 =
  25. 25.486 × 3 =
  26. 26.499 × 3 =
  27. 27.716 × 5 =
  28. 28.419 × 5 =
  29. 29.793 × 4 =
  30. 30.323 × 3 =
  31. 31.208 × 5 =
  32. 32.911 × 6 =
  33. 33.243 × 3 =
  34. 34.126 × 4 =
  35. 35.174 × 9 =
  36. 36.181 × 8 =
  37. 37.523 × 6 =
  38. 38.701 × 5 =
  39. 39.487 × 9 =
  40. 40.203 × 8 =

Answer key

  1. 4308
  2. 1002
  3. 756
  4. 1135
  5. 3652
  6. 1220
  7. 6288
  8. 5082
  9. 3620
  10. 2808
  11. 2296
  12. 2016
  13. 5247
  14. 1372
  15. 5864
  16. 2106
  17. 3624
  18. 3860
  19. 2115
  20. 4945
  21. 7792
  22. 1449
  23. 1872
  24. 7767
  25. 1458
  26. 1497
  27. 3580
  28. 2095
  29. 3172
  30. 969
  31. 1040
  32. 5466
  33. 729
  34. 504
  35. 1566
  36. 1448
  37. 3138
  38. 3505
  39. 4383
  40. 1624

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