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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 617 · 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. 1.941 × 6 =
  2. 2.279 × 9 =
  3. 3.766 × 4 =
  4. 4.557 × 7 =
  5. 5.156 × 8 =
  6. 6.628 × 4 =
  7. 7.971 × 9 =
  8. 8.699 × 3 =
  9. 9.128 × 6 =
  10. 10.294 × 6 =
  11. 11.262 × 9 =
  12. 12.386 × 5 =
  13. 13.204 × 7 =
  14. 14.943 × 7 =
  15. 15.748 × 5 =
  16. 16.206 × 6 =
  17. 17.955 × 4 =
  18. 18.267 × 9 =
  19. 19.133 × 3 =
  20. 20.693 × 4 =
  21. 21.326 × 3 =
  22. 22.789 × 3 =
  23. 23.158 × 7 =
  24. 24.568 × 9 =
  25. 25.379 × 7 =
  26. 26.429 × 7 =
  27. 27.231 × 3 =
  28. 28.713 × 7 =
  29. 29.293 × 7 =
  30. 30.664 × 4 =
  31. 31.237 × 3 =
  32. 32.925 × 7 =
  33. 33.131 × 7 =
  34. 34.491 × 6 =
  35. 35.365 × 4 =
  36. 36.476 × 9 =
  37. 37.918 × 7 =
  38. 38.233 × 3 =
  39. 39.598 × 8 =
  40. 40.541 × 6 =

Answer key

  1. 5646
  2. 2511
  3. 3064
  4. 3899
  5. 1248
  6. 2512
  7. 8739
  8. 2097
  9. 768
  10. 1764
  11. 2358
  12. 1930
  13. 1428
  14. 6601
  15. 3740
  16. 1236
  17. 3820
  18. 2403
  19. 399
  20. 2772
  21. 978
  22. 2367
  23. 1106
  24. 5112
  25. 2653
  26. 3003
  27. 693
  28. 4991
  29. 2051
  30. 2656
  31. 711
  32. 6475
  33. 917
  34. 2946
  35. 1460
  36. 4284
  37. 6426
  38. 699
  39. 4784
  40. 3246

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