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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 501 · 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. 1.914 × 9 =
  2. 2.331 × 3 =
  3. 3.918 × 7 =
  4. 4.887 × 3 =
  5. 5.899 × 9 =
  6. 6.249 × 7 =
  7. 7.384 × 8 =
  8. 8.241 × 6 =
  9. 9.664 × 4 =
  10. 10.174 × 4 =
  11. 11.741 × 4 =
  12. 12.883 × 6 =
  13. 13.741 × 3 =
  14. 14.152 × 6 =
  15. 15.412 × 8 =
  16. 16.343 × 8 =
  17. 17.354 × 3 =
  18. 18.254 × 9 =
  19. 19.662 × 4 =
  20. 20.231 × 4 =
  21. 21.573 × 9 =
  22. 22.662 × 7 =
  23. 23.709 × 9 =
  24. 24.805 × 9 =
  25. 25.369 × 8 =
  26. 26.329 × 9 =
  27. 27.883 × 5 =
  28. 28.446 × 5 =
  29. 29.915 × 7 =
  30. 30.605 × 9 =
  31. 31.312 × 5 =
  32. 32.372 × 5 =
  33. 33.743 × 4 =
  34. 34.811 × 7 =
  35. 35.777 × 4 =
  36. 36.168 × 7 =
  37. 37.162 × 4 =
  38. 38.681 × 3 =
  39. 39.847 × 4 =
  40. 40.192 × 8 =

Answer key

  1. 8226
  2. 993
  3. 6426
  4. 2661
  5. 8091
  6. 1743
  7. 3072
  8. 1446
  9. 2656
  10. 696
  11. 2964
  12. 5298
  13. 2223
  14. 912
  15. 3296
  16. 2744
  17. 1062
  18. 2286
  19. 2648
  20. 924
  21. 5157
  22. 4634
  23. 6381
  24. 7245
  25. 2952
  26. 2961
  27. 4415
  28. 2230
  29. 6405
  30. 5445
  31. 1560
  32. 1860
  33. 2972
  34. 5677
  35. 3108
  36. 1176
  37. 648
  38. 2043
  39. 3388
  40. 1536

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