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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 991 · 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. 1.401 × 5 =
  2. 2.602 × 9 =
  3. 3.366 × 4 =
  4. 4.279 × 6 =
  5. 5.688 × 5 =
  6. 6.228 × 6 =
  7. 7.193 × 9 =
  8. 8.242 × 5 =
  9. 9.486 × 6 =
  10. 10.908 × 8 =
  11. 11.578 × 5 =
  12. 12.232 × 5 =
  13. 13.568 × 6 =
  14. 14.501 × 6 =
  15. 15.456 × 6 =
  16. 16.914 × 8 =
  17. 17.841 × 6 =
  18. 18.288 × 6 =
  19. 19.971 × 4 =
  20. 20.589 × 4 =
  21. 21.301 × 7 =
  22. 22.517 × 9 =
  23. 23.721 × 5 =
  24. 24.484 × 8 =
  25. 25.122 × 9 =
  26. 26.831 × 9 =
  27. 27.881 × 8 =
  28. 28.209 × 6 =
  29. 29.689 × 6 =
  30. 30.916 × 3 =
  31. 31.883 × 3 =
  32. 32.925 × 4 =
  33. 33.889 × 6 =
  34. 34.839 × 9 =
  35. 35.406 × 5 =
  36. 36.956 × 4 =
  37. 37.151 × 5 =
  38. 38.673 × 7 =
  39. 39.455 × 9 =
  40. 40.691 × 3 =

Answer key

  1. 2005
  2. 5418
  3. 1464
  4. 1674
  5. 3440
  6. 1368
  7. 1737
  8. 1210
  9. 2916
  10. 7264
  11. 2890
  12. 1160
  13. 3408
  14. 3006
  15. 2736
  16. 7312
  17. 5046
  18. 1728
  19. 3884
  20. 2356
  21. 2107
  22. 4653
  23. 3605
  24. 3872
  25. 1098
  26. 7479
  27. 7048
  28. 1254
  29. 4134
  30. 2748
  31. 2649
  32. 3700
  33. 5334
  34. 7551
  35. 2030
  36. 3824
  37. 755
  38. 4711
  39. 4095
  40. 2073

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