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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 288 · 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. 1.499 × 5 =
  2. 2.183 × 4 =
  3. 3.966 × 8 =
  4. 4.176 × 4 =
  5. 5.947 × 7 =
  6. 6.525 × 6 =
  7. 7.441 × 9 =
  8. 8.318 × 3 =
  9. 9.114 × 8 =
  10. 10.197 × 7 =
  11. 11.285 × 5 =
  12. 12.726 × 4 =
  13. 13.149 × 3 =
  14. 14.927 × 7 =
  15. 15.593 × 6 =
  16. 16.625 × 5 =
  17. 17.911 × 8 =
  18. 18.871 × 8 =
  19. 19.873 × 3 =
  20. 20.198 × 6 =
  21. 21.236 × 9 =
  22. 22.504 × 6 =
  23. 23.278 × 4 =
  24. 24.172 × 3 =
  25. 25.345 × 5 =
  26. 26.143 × 9 =
  27. 27.504 × 7 =
  28. 28.386 × 4 =
  29. 29.327 × 3 =
  30. 30.565 × 7 =
  31. 31.325 × 7 =
  32. 32.963 × 8 =
  33. 33.381 × 9 =
  34. 34.475 × 4 =
  35. 35.821 × 6 =
  36. 36.251 × 4 =
  37. 37.202 × 5 =
  38. 38.686 × 9 =
  39. 39.622 × 9 =
  40. 40.829 × 5 =

Answer key

  1. 2495
  2. 732
  3. 7728
  4. 704
  5. 6629
  6. 3150
  7. 3969
  8. 954
  9. 912
  10. 1379
  11. 1425
  12. 2904
  13. 447
  14. 6489
  15. 3558
  16. 3125
  17. 7288
  18. 6968
  19. 2619
  20. 1188
  21. 2124
  22. 3024
  23. 1112
  24. 516
  25. 1725
  26. 1287
  27. 3528
  28. 1544
  29. 981
  30. 3955
  31. 2275
  32. 7704
  33. 3429
  34. 1900
  35. 4926
  36. 1004
  37. 1010
  38. 6174
  39. 5598
  40. 4145

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