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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 558 · 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. 1.395 × 4 =
  2. 2.266 × 3 =
  3. 3.114 × 4 =
  4. 4.535 × 4 =
  5. 5.294 × 4 =
  6. 6.576 × 9 =
  7. 7.251 × 6 =
  8. 8.831 × 6 =
  9. 9.416 × 7 =
  10. 10.345 × 4 =
  11. 11.275 × 5 =
  12. 12.441 × 5 =
  13. 13.481 × 3 =
  14. 14.654 × 4 =
  15. 15.116 × 5 =
  16. 16.601 × 3 =
  17. 17.666 × 3 =
  18. 18.853 × 9 =
  19. 19.647 × 9 =
  20. 20.933 × 8 =
  21. 21.911 × 6 =
  22. 22.982 × 4 =
  23. 23.547 × 9 =
  24. 24.447 × 3 =
  25. 25.591 × 4 =
  26. 26.941 × 9 =
  27. 27.584 × 6 =
  28. 28.134 × 8 =
  29. 29.636 × 8 =
  30. 30.391 × 4 =
  31. 31.328 × 4 =
  32. 32.295 × 4 =
  33. 33.645 × 7 =
  34. 34.973 × 5 =
  35. 35.701 × 6 =
  36. 36.893 × 3 =
  37. 37.738 × 4 =
  38. 38.693 × 4 =
  39. 39.735 × 3 =
  40. 40.356 × 6 =

Answer key

  1. 1580
  2. 798
  3. 456
  4. 2140
  5. 1176
  6. 5184
  7. 1506
  8. 4986
  9. 2912
  10. 1380
  11. 1375
  12. 2205
  13. 1443
  14. 2616
  15. 580
  16. 1803
  17. 1998
  18. 7677
  19. 5823
  20. 7464
  21. 5466
  22. 3928
  23. 4923
  24. 1341
  25. 2364
  26. 8469
  27. 3504
  28. 1072
  29. 5088
  30. 1564
  31. 1312
  32. 1180
  33. 4515
  34. 4865
  35. 4206
  36. 2679
  37. 2952
  38. 2772
  39. 2205
  40. 2136

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