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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 491 · 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. 1.732 × 5 =
  2. 2.687 × 8 =
  3. 3.801 × 8 =
  4. 4.717 × 9 =
  5. 5.294 × 7 =
  6. 6.415 × 5 =
  7. 7.652 × 7 =
  8. 8.569 × 8 =
  9. 9.149 × 5 =
  10. 10.779 × 9 =
  11. 11.309 × 3 =
  12. 12.381 × 7 =
  13. 13.601 × 7 =
  14. 14.823 × 9 =
  15. 15.827 × 8 =
  16. 16.122 × 8 =
  17. 17.745 × 8 =
  18. 18.731 × 9 =
  19. 19.811 × 5 =
  20. 20.721 × 5 =
  21. 21.599 × 5 =
  22. 22.562 × 8 =
  23. 23.547 × 4 =
  24. 24.831 × 3 =
  25. 25.835 × 6 =
  26. 26.195 × 6 =
  27. 27.498 × 3 =
  28. 28.221 × 7 =
  29. 29.169 × 9 =
  30. 30.897 × 8 =
  31. 31.312 × 8 =
  32. 32.636 × 8 =
  33. 33.314 × 5 =
  34. 34.458 × 9 =
  35. 35.787 × 4 =
  36. 36.376 × 9 =
  37. 37.241 × 5 =
  38. 38.344 × 4 =
  39. 39.192 × 7 =
  40. 40.202 × 5 =

Answer key

  1. 3660
  2. 5496
  3. 6408
  4. 6453
  5. 2058
  6. 2075
  7. 4564
  8. 4552
  9. 745
  10. 7011
  11. 927
  12. 2667
  13. 4207
  14. 7407
  15. 6616
  16. 976
  17. 5960
  18. 6579
  19. 4055
  20. 3605
  21. 2995
  22. 4496
  23. 2188
  24. 2493
  25. 5010
  26. 1170
  27. 1494
  28. 1547
  29. 1521
  30. 7176
  31. 2496
  32. 5088
  33. 1570
  34. 4122
  35. 3148
  36. 3384
  37. 1205
  38. 1376
  39. 1344
  40. 1010

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