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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 387 · 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. 1.976 × 5 =
  2. 2.619 × 5 =
  3. 3.318 × 7 =
  4. 4.691 × 6 =
  5. 5.929 × 8 =
  6. 6.198 × 3 =
  7. 7.777 × 3 =
  8. 8.826 × 7 =
  9. 9.401 × 4 =
  10. 10.291 × 4 =
  11. 11.814 × 9 =
  12. 12.927 × 7 =
  13. 13.596 × 4 =
  14. 14.534 × 3 =
  15. 15.519 × 8 =
  16. 16.932 × 3 =
  17. 17.578 × 4 =
  18. 18.761 × 3 =
  19. 19.838 × 6 =
  20. 20.674 × 4 =
  21. 21.711 × 7 =
  22. 22.816 × 8 =
  23. 23.551 × 8 =
  24. 24.601 × 6 =
  25. 25.987 × 7 =
  26. 26.702 × 6 =
  27. 27.739 × 8 =
  28. 28.722 × 7 =
  29. 29.418 × 8 =
  30. 30.721 × 6 =
  31. 31.179 × 6 =
  32. 32.858 × 3 =
  33. 33.235 × 8 =
  34. 34.877 × 6 =
  35. 35.308 × 3 =
  36. 36.378 × 8 =
  37. 37.596 × 9 =
  38. 38.639 × 8 =
  39. 39.301 × 3 =
  40. 40.636 × 5 =

Answer key

  1. 4880
  2. 3095
  3. 2226
  4. 4146
  5. 7432
  6. 594
  7. 2331
  8. 5782
  9. 1604
  10. 1164
  11. 7326
  12. 6489
  13. 2384
  14. 1602
  15. 4152
  16. 2796
  17. 2312
  18. 2283
  19. 5028
  20. 2696
  21. 4977
  22. 6528
  23. 4408
  24. 3606
  25. 6909
  26. 4212
  27. 5912
  28. 5054
  29. 3344
  30. 4326
  31. 1074
  32. 2574
  33. 1880
  34. 5262
  35. 924
  36. 3024
  37. 5364
  38. 5112
  39. 903
  40. 3180

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