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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 283 · 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. 1.569 × 7 =
  2. 2.937 × 4 =
  3. 3.495 × 5 =
  4. 4.641 × 7 =
  5. 5.469 × 4 =
  6. 6.934 × 5 =
  7. 7.775 × 8 =
  8. 8.285 × 5 =
  9. 9.131 × 8 =
  10. 10.341 × 6 =
  11. 11.961 × 3 =
  12. 12.231 × 3 =
  13. 13.124 × 6 =
  14. 14.861 × 7 =
  15. 15.228 × 8 =
  16. 16.446 × 5 =
  17. 17.285 × 8 =
  18. 18.652 × 6 =
  19. 19.794 × 8 =
  20. 20.361 × 4 =
  21. 21.745 × 5 =
  22. 22.819 × 5 =
  23. 23.179 × 7 =
  24. 24.508 × 3 =
  25. 25.979 × 3 =
  26. 26.529 × 3 =
  27. 27.227 × 6 =
  28. 28.957 × 6 =
  29. 29.918 × 8 =
  30. 30.891 × 5 =
  31. 31.795 × 3 =
  32. 32.561 × 5 =
  33. 33.364 × 9 =
  34. 34.555 × 5 =
  35. 35.682 × 9 =
  36. 36.576 × 6 =
  37. 37.924 × 9 =
  38. 38.331 × 5 =
  39. 39.678 × 6 =
  40. 40.525 × 5 =

Answer key

  1. 3983
  2. 3748
  3. 2475
  4. 4487
  5. 1876
  6. 4670
  7. 6200
  8. 1425
  9. 1048
  10. 2046
  11. 2883
  12. 693
  13. 744
  14. 6027
  15. 1824
  16. 2230
  17. 2280
  18. 3912
  19. 6352
  20. 1444
  21. 3725
  22. 4095
  23. 1253
  24. 1524
  25. 2937
  26. 1587
  27. 1362
  28. 5742
  29. 7344
  30. 4455
  31. 2385
  32. 2805
  33. 3276
  34. 2775
  35. 6138
  36. 3456
  37. 8316
  38. 1655
  39. 4068
  40. 2625

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