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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 768 · 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. 1.499 × 4 =
  2. 2.938 × 4 =
  3. 3.788 × 5 =
  4. 4.633 × 3 =
  5. 5.292 × 3 =
  6. 6.365 × 4 =
  7. 7.471 × 5 =
  8. 8.736 × 9 =
  9. 9.198 × 7 =
  10. 10.947 × 3 =
  11. 11.572 × 5 =
  12. 12.659 × 4 =
  13. 13.283 × 6 =
  14. 14.609 × 3 =
  15. 15.204 × 3 =
  16. 16.144 × 8 =
  17. 17.125 × 9 =
  18. 18.289 × 3 =
  19. 19.611 × 7 =
  20. 20.962 × 3 =
  21. 21.618 × 9 =
  22. 22.344 × 6 =
  23. 23.132 × 4 =
  24. 24.141 × 4 =
  25. 25.864 × 9 =
  26. 26.449 × 8 =
  27. 27.232 × 5 =
  28. 28.963 × 7 =
  29. 29.229 × 3 =
  30. 30.928 × 4 =
  31. 31.608 × 3 =
  32. 32.745 × 7 =
  33. 33.466 × 3 =
  34. 34.451 × 4 =
  35. 35.511 × 8 =
  36. 36.898 × 5 =
  37. 37.732 × 4 =
  38. 38.126 × 3 =
  39. 39.568 × 7 =
  40. 40.822 × 8 =

Answer key

  1. 1996
  2. 3752
  3. 3940
  4. 1899
  5. 876
  6. 1460
  7. 2355
  8. 6624
  9. 1386
  10. 2841
  11. 2860
  12. 2636
  13. 1698
  14. 1827
  15. 612
  16. 1152
  17. 1125
  18. 867
  19. 4277
  20. 2886
  21. 5562
  22. 2064
  23. 528
  24. 564
  25. 7776
  26. 3592
  27. 1160
  28. 6741
  29. 687
  30. 3712
  31. 1824
  32. 5215
  33. 1398
  34. 1804
  35. 4088
  36. 4490
  37. 2928
  38. 378
  39. 3976
  40. 6576

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