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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 199 · 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. 1.222 × 7 =
  2. 2.441 × 9 =
  3. 3.263 × 5 =
  4. 4.441 × 4 =
  5. 5.955 × 3 =
  6. 6.983 × 6 =
  7. 7.114 × 4 =
  8. 8.586 × 6 =
  9. 9.148 × 5 =
  10. 10.569 × 4 =
  11. 11.291 × 8 =
  12. 12.261 × 8 =
  13. 13.294 × 5 =
  14. 14.356 × 8 =
  15. 15.783 × 5 =
  16. 16.507 × 4 =
  17. 17.717 × 3 =
  18. 18.332 × 6 =
  19. 19.315 × 6 =
  20. 20.114 × 6 =
  21. 21.951 × 6 =
  22. 22.181 × 8 =
  23. 23.379 × 5 =
  24. 24.342 × 7 =
  25. 25.918 × 4 =
  26. 26.681 × 4 =
  27. 27.578 × 5 =
  28. 28.311 × 9 =
  29. 29.561 × 6 =
  30. 30.638 × 6 =
  31. 31.785 × 3 =
  32. 32.638 × 7 =
  33. 33.134 × 3 =
  34. 34.671 × 5 =
  35. 35.647 × 5 =
  36. 36.184 × 9 =
  37. 37.922 × 9 =
  38. 38.867 × 9 =
  39. 39.333 × 4 =
  40. 40.326 × 6 =

Answer key

  1. 1554
  2. 3969
  3. 1315
  4. 1764
  5. 2865
  6. 5898
  7. 456
  8. 3516
  9. 740
  10. 2276
  11. 2328
  12. 2088
  13. 1470
  14. 2848
  15. 3915
  16. 2028
  17. 2151
  18. 1992
  19. 1890
  20. 684
  21. 5706
  22. 1448
  23. 1895
  24. 2394
  25. 3672
  26. 2724
  27. 2890
  28. 2799
  29. 3366
  30. 3828
  31. 2355
  32. 4466
  33. 402
  34. 3355
  35. 3235
  36. 1656
  37. 8298
  38. 7803
  39. 1332
  40. 1956

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