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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 210 · 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. 1.986 × 3 =
  2. 2.202 × 3 =
  3. 3.198 × 5 =
  4. 4.671 × 5 =
  5. 5.305 × 9 =
  6. 6.246 × 7 =
  7. 7.291 × 5 =
  8. 8.402 × 4 =
  9. 9.628 × 4 =
  10. 10.691 × 4 =
  11. 11.321 × 5 =
  12. 12.546 × 6 =
  13. 13.117 × 9 =
  14. 14.748 × 9 =
  15. 15.788 × 7 =
  16. 16.779 × 3 =
  17. 17.444 × 8 =
  18. 18.613 × 9 =
  19. 19.702 × 4 =
  20. 20.348 × 4 =
  21. 21.373 × 8 =
  22. 22.374 × 5 =
  23. 23.555 × 4 =
  24. 24.958 × 8 =
  25. 25.795 × 6 =
  26. 26.717 × 8 =
  27. 27.351 × 7 =
  28. 28.799 × 8 =
  29. 29.229 × 4 =
  30. 30.743 × 5 =
  31. 31.626 × 3 =
  32. 32.959 × 9 =
  33. 33.132 × 7 =
  34. 34.215 × 4 =
  35. 35.892 × 5 =
  36. 36.914 × 9 =
  37. 37.655 × 9 =
  38. 38.601 × 7 =
  39. 39.451 × 3 =
  40. 40.691 × 6 =

Answer key

  1. 2958
  2. 606
  3. 990
  4. 3355
  5. 2745
  6. 1722
  7. 1455
  8. 1608
  9. 2512
  10. 2764
  11. 1605
  12. 3276
  13. 1053
  14. 6732
  15. 5516
  16. 2337
  17. 3552
  18. 5517
  19. 2808
  20. 1392
  21. 2984
  22. 1870
  23. 2220
  24. 7664
  25. 4770
  26. 5736
  27. 2457
  28. 6392
  29. 916
  30. 3715
  31. 1878
  32. 8631
  33. 924
  34. 860
  35. 4460
  36. 8226
  37. 5895
  38. 4207
  39. 1353
  40. 4146

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