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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 318 · 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. 1.869 × 6 =
  2. 2.233 × 4 =
  3. 3.286 × 6 =
  4. 4.282 × 3 =
  5. 5.461 × 7 =
  6. 6.259 × 5 =
  7. 7.609 × 8 =
  8. 8.762 × 5 =
  9. 9.333 × 3 =
  10. 10.187 × 8 =
  11. 11.587 × 4 =
  12. 12.977 × 3 =
  13. 13.439 × 8 =
  14. 14.928 × 6 =
  15. 15.908 × 9 =
  16. 16.397 × 5 =
  17. 17.764 × 7 =
  18. 18.498 × 3 =
  19. 19.844 × 5 =
  20. 20.191 × 6 =
  21. 21.351 × 6 =
  22. 22.634 × 8 =
  23. 23.221 × 9 =
  24. 24.467 × 7 =
  25. 25.196 × 9 =
  26. 26.967 × 9 =
  27. 27.687 × 4 =
  28. 28.355 × 9 =
  29. 29.131 × 9 =
  30. 30.691 × 6 =
  31. 31.799 × 5 =
  32. 32.232 × 3 =
  33. 33.376 × 3 =
  34. 34.329 × 7 =
  35. 35.649 × 3 =
  36. 36.567 × 3 =
  37. 37.249 × 4 =
  38. 38.744 × 9 =
  39. 39.404 × 5 =
  40. 40.257 × 3 =

Answer key

  1. 5214
  2. 932
  3. 1716
  4. 846
  5. 3227
  6. 1295
  7. 4872
  8. 3810
  9. 999
  10. 1496
  11. 2348
  12. 2931
  13. 3512
  14. 5568
  15. 8172
  16. 1985
  17. 5348
  18. 1494
  19. 4220
  20. 1146
  21. 2106
  22. 5072
  23. 1989
  24. 3269
  25. 1764
  26. 8703
  27. 2748
  28. 3195
  29. 1179
  30. 4146
  31. 3995
  32. 696
  33. 1128
  34. 2303
  35. 1947
  36. 1701
  37. 996
  38. 6696
  39. 2020
  40. 771

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