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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 738 · 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. 1.198 × 9 =
  2. 2.528 × 7 =
  3. 3.961 × 3 =
  4. 4.818 × 9 =
  5. 5.153 × 3 =
  6. 6.904 × 8 =
  7. 7.757 × 4 =
  8. 8.324 × 4 =
  9. 9.722 × 3 =
  10. 10.575 × 3 =
  11. 11.341 × 3 =
  12. 12.529 × 8 =
  13. 13.838 × 7 =
  14. 14.961 × 6 =
  15. 15.867 × 8 =
  16. 16.172 × 3 =
  17. 17.274 × 6 =
  18. 18.276 × 4 =
  19. 19.341 × 5 =
  20. 20.284 × 6 =
  21. 21.963 × 9 =
  22. 22.813 × 8 =
  23. 23.878 × 4 =
  24. 24.829 × 5 =
  25. 25.829 × 3 =
  26. 26.507 × 9 =
  27. 27.162 × 5 =
  28. 28.341 × 6 =
  29. 29.966 × 5 =
  30. 30.223 × 5 =
  31. 31.766 × 8 =
  32. 32.968 × 8 =
  33. 33.145 × 8 =
  34. 34.283 × 6 =
  35. 35.461 × 8 =
  36. 36.239 × 6 =
  37. 37.976 × 8 =
  38. 38.163 × 4 =
  39. 39.841 × 6 =
  40. 40.952 × 9 =

Answer key

  1. 1782
  2. 3696
  3. 2883
  4. 7362
  5. 459
  6. 7232
  7. 3028
  8. 1296
  9. 2166
  10. 1725
  11. 1023
  12. 4232
  13. 5866
  14. 5766
  15. 6936
  16. 516
  17. 1644
  18. 1104
  19. 1705
  20. 1704
  21. 8667
  22. 6504
  23. 3512
  24. 4145
  25. 2487
  26. 4563
  27. 810
  28. 2046
  29. 4830
  30. 1115
  31. 6128
  32. 7744
  33. 1160
  34. 1698
  35. 3688
  36. 1434
  37. 7808
  38. 652
  39. 5046
  40. 8568

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