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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 346 · 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. 1.344 × 6 =
  2. 2.397 × 4 =
  3. 3.499 × 9 =
  4. 4.294 × 4 =
  5. 5.631 × 9 =
  6. 6.883 × 3 =
  7. 7.319 × 9 =
  8. 8.952 × 9 =
  9. 9.199 × 3 =
  10. 10.436 × 3 =
  11. 11.431 × 7 =
  12. 12.343 × 9 =
  13. 13.301 × 6 =
  14. 14.323 × 6 =
  15. 15.387 × 7 =
  16. 16.115 × 4 =
  17. 17.324 × 3 =
  18. 18.121 × 7 =
  19. 19.987 × 8 =
  20. 20.906 × 8 =
  21. 21.327 × 3 =
  22. 22.899 × 4 =
  23. 23.934 × 8 =
  24. 24.906 × 9 =
  25. 25.465 × 3 =
  26. 26.231 × 9 =
  27. 27.257 × 7 =
  28. 28.811 × 3 =
  29. 29.802 × 4 =
  30. 30.271 × 8 =
  31. 31.476 × 3 =
  32. 32.496 × 6 =
  33. 33.647 × 4 =
  34. 34.535 × 4 =
  35. 35.774 × 7 =
  36. 36.563 × 6 =
  37. 37.779 × 5 =
  38. 38.189 × 5 =
  39. 39.764 × 9 =
  40. 40.403 × 9 =

Answer key

  1. 2064
  2. 1588
  3. 4491
  4. 1176
  5. 5679
  6. 2649
  7. 2871
  8. 8568
  9. 597
  10. 1308
  11. 3017
  12. 3087
  13. 1806
  14. 1938
  15. 2709
  16. 460
  17. 972
  18. 847
  19. 7896
  20. 7248
  21. 981
  22. 3596
  23. 7472
  24. 8154
  25. 1395
  26. 2079
  27. 1799
  28. 2433
  29. 3208
  30. 2168
  31. 1428
  32. 2976
  33. 2588
  34. 2140
  35. 5418
  36. 3378
  37. 3895
  38. 945
  39. 6876
  40. 3627

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