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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 296 · 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. 1.766 × 8 =
  2. 2.473 × 3 =
  3. 3.142 × 7 =
  4. 4.498 × 3 =
  5. 5.189 × 4 =
  6. 6.953 × 3 =
  7. 7.211 × 4 =
  8. 8.582 × 5 =
  9. 9.957 × 7 =
  10. 10.464 × 4 =
  11. 11.901 × 9 =
  12. 12.466 × 3 =
  13. 13.866 × 8 =
  14. 14.943 × 6 =
  15. 15.144 × 3 =
  16. 16.227 × 7 =
  17. 17.739 × 3 =
  18. 18.934 × 4 =
  19. 19.371 × 8 =
  20. 20.349 × 8 =
  21. 21.737 × 4 =
  22. 22.174 × 5 =
  23. 23.853 × 6 =
  24. 24.949 × 9 =
  25. 25.472 × 5 =
  26. 26.605 × 5 =
  27. 27.177 × 8 =
  28. 28.357 × 9 =
  29. 29.604 × 9 =
  30. 30.139 × 7 =
  31. 31.741 × 8 =
  32. 32.145 × 5 =
  33. 33.891 × 5 =
  34. 34.939 × 8 =
  35. 35.654 × 7 =
  36. 36.432 × 4 =
  37. 37.713 × 8 =
  38. 38.725 × 9 =
  39. 39.126 × 5 =
  40. 40.602 × 4 =

Answer key

  1. 6128
  2. 1419
  3. 994
  4. 1494
  5. 756
  6. 2859
  7. 844
  8. 2910
  9. 6699
  10. 1856
  11. 8109
  12. 1398
  13. 6928
  14. 5658
  15. 432
  16. 1589
  17. 2217
  18. 3736
  19. 2968
  20. 2792
  21. 2948
  22. 870
  23. 5118
  24. 8541
  25. 2360
  26. 3025
  27. 1416
  28. 3213
  29. 5436
  30. 973
  31. 5928
  32. 725
  33. 4455
  34. 7512
  35. 4578
  36. 1728
  37. 5704
  38. 6525
  39. 630
  40. 2408

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