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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 352 · 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. 1.138 × 7 =
  2. 2.614 × 9 =
  3. 3.822 × 4 =
  4. 4.549 × 6 =
  5. 5.401 × 5 =
  6. 6.421 × 4 =
  7. 7.665 × 9 =
  8. 8.287 × 8 =
  9. 9.841 × 6 =
  10. 10.306 × 7 =
  11. 11.344 × 8 =
  12. 12.188 × 9 =
  13. 13.704 × 9 =
  14. 14.309 × 6 =
  15. 15.206 × 4 =
  16. 16.533 × 7 =
  17. 17.546 × 9 =
  18. 18.967 × 5 =
  19. 19.942 × 4 =
  20. 20.797 × 7 =
  21. 21.922 × 7 =
  22. 22.751 × 8 =
  23. 23.806 × 6 =
  24. 24.491 × 9 =
  25. 25.606 × 4 =
  26. 26.277 × 3 =
  27. 27.954 × 9 =
  28. 28.471 × 9 =
  29. 29.318 × 8 =
  30. 30.212 × 7 =
  31. 31.671 × 9 =
  32. 32.463 × 4 =
  33. 33.261 × 3 =
  34. 34.476 × 5 =
  35. 35.697 × 3 =
  36. 36.281 × 3 =
  37. 37.543 × 3 =
  38. 38.444 × 3 =
  39. 39.208 × 4 =
  40. 40.696 × 9 =

Answer key

  1. 966
  2. 5526
  3. 3288
  4. 3294
  5. 2005
  6. 1684
  7. 5985
  8. 2296
  9. 5046
  10. 2142
  11. 2752
  12. 1692
  13. 6336
  14. 1854
  15. 824
  16. 3731
  17. 4914
  18. 4835
  19. 3768
  20. 5579
  21. 6454
  22. 6008
  23. 4836
  24. 4419
  25. 2424
  26. 831
  27. 8586
  28. 4239
  29. 2544
  30. 1484
  31. 6039
  32. 1852
  33. 783
  34. 2380
  35. 2091
  36. 843
  37. 1629
  38. 1332
  39. 832
  40. 6264

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