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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 169 · 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. 1.944 × 4 =
  2. 2.423 × 7 =
  3. 3.767 × 4 =
  4. 4.784 × 3 =
  5. 5.955 × 4 =
  6. 6.448 × 3 =
  7. 7.925 × 8 =
  8. 8.231 × 3 =
  9. 9.133 × 6 =
  10. 10.773 × 7 =
  11. 11.901 × 5 =
  12. 12.601 × 8 =
  13. 13.246 × 9 =
  14. 14.751 × 8 =
  15. 15.435 × 3 =
  16. 16.916 × 3 =
  17. 17.165 × 6 =
  18. 18.362 × 7 =
  19. 19.941 × 5 =
  20. 20.807 × 3 =
  21. 21.971 × 6 =
  22. 22.522 × 8 =
  23. 23.464 × 3 =
  24. 24.832 × 3 =
  25. 25.411 × 6 =
  26. 26.986 × 7 =
  27. 27.733 × 9 =
  28. 28.845 × 4 =
  29. 29.951 × 7 =
  30. 30.255 × 8 =
  31. 31.523 × 6 =
  32. 32.841 × 8 =
  33. 33.402 × 5 =
  34. 34.852 × 4 =
  35. 35.198 × 4 =
  36. 36.873 × 3 =
  37. 37.224 × 3 =
  38. 38.934 × 7 =
  39. 39.301 × 8 =
  40. 40.112 × 6 =

Answer key

  1. 3776
  2. 2961
  3. 3068
  4. 2352
  5. 3820
  6. 1344
  7. 7400
  8. 693
  9. 798
  10. 5411
  11. 4505
  12. 4808
  13. 2214
  14. 6008
  15. 1305
  16. 2748
  17. 990
  18. 2534
  19. 4705
  20. 2421
  21. 5826
  22. 4176
  23. 1392
  24. 2496
  25. 2466
  26. 6902
  27. 6597
  28. 3380
  29. 6657
  30. 2040
  31. 3138
  32. 6728
  33. 2010
  34. 3408
  35. 792
  36. 2619
  37. 672
  38. 6538
  39. 2408
  40. 672

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