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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 924 · 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. 1.811 × 8 =
  2. 2.769 × 3 =
  3. 3.754 × 4 =
  4. 4.783 × 9 =
  5. 5.691 × 8 =
  6. 6.534 × 9 =
  7. 7.249 × 9 =
  8. 8.237 × 3 =
  9. 9.825 × 7 =
  10. 10.894 × 6 =
  11. 11.946 × 7 =
  12. 12.522 × 4 =
  13. 13.749 × 8 =
  14. 14.156 × 7 =
  15. 15.349 × 7 =
  16. 16.852 × 4 =
  17. 17.458 × 4 =
  18. 18.154 × 3 =
  19. 19.354 × 6 =
  20. 20.439 × 9 =
  21. 21.134 × 7 =
  22. 22.171 × 4 =
  23. 23.666 × 9 =
  24. 24.352 × 6 =
  25. 25.788 × 6 =
  26. 26.698 × 9 =
  27. 27.612 × 3 =
  28. 28.333 × 6 =
  29. 29.386 × 5 =
  30. 30.286 × 4 =
  31. 31.535 × 5 =
  32. 32.674 × 4 =
  33. 33.821 × 3 =
  34. 34.556 × 7 =
  35. 35.251 × 9 =
  36. 36.368 × 4 =
  37. 37.365 × 4 =
  38. 38.485 × 6 =
  39. 39.309 × 3 =
  40. 40.258 × 5 =

Answer key

  1. 6488
  2. 2307
  3. 3016
  4. 7047
  5. 5528
  6. 4806
  7. 2241
  8. 711
  9. 5775
  10. 5364
  11. 6622
  12. 2088
  13. 5992
  14. 1092
  15. 2443
  16. 3408
  17. 1832
  18. 462
  19. 2124
  20. 3951
  21. 938
  22. 684
  23. 5994
  24. 2112
  25. 4728
  26. 6282
  27. 1836
  28. 1998
  29. 1930
  30. 1144
  31. 2675
  32. 2696
  33. 2463
  34. 3892
  35. 2259
  36. 1472
  37. 1460
  38. 2910
  39. 927
  40. 1290

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