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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 996 · 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. 1.241 × 3 =
  2. 2.304 × 3 =
  3. 3.511 × 6 =
  4. 4.302 × 9 =
  5. 5.845 × 6 =
  6. 6.531 × 6 =
  7. 7.351 × 8 =
  8. 8.703 × 3 =
  9. 9.703 × 6 =
  10. 10.193 × 7 =
  11. 11.856 × 5 =
  12. 12.174 × 3 =
  13. 13.295 × 8 =
  14. 14.537 × 7 =
  15. 15.709 × 9 =
  16. 16.483 × 4 =
  17. 17.363 × 8 =
  18. 18.171 × 3 =
  19. 19.592 × 8 =
  20. 20.544 × 5 =
  21. 21.139 × 3 =
  22. 22.298 × 3 =
  23. 23.675 × 9 =
  24. 24.662 × 3 =
  25. 25.841 × 8 =
  26. 26.716 × 4 =
  27. 27.906 × 6 =
  28. 28.169 × 8 =
  29. 29.798 × 9 =
  30. 30.615 × 3 =
  31. 31.712 × 5 =
  32. 32.365 × 8 =
  33. 33.257 × 4 =
  34. 34.173 × 6 =
  35. 35.956 × 8 =
  36. 36.634 × 8 =
  37. 37.345 × 9 =
  38. 38.212 × 8 =
  39. 39.945 × 6 =
  40. 40.467 × 9 =

Answer key

  1. 723
  2. 912
  3. 3066
  4. 2718
  5. 5070
  6. 3186
  7. 2808
  8. 2109
  9. 4218
  10. 1351
  11. 4280
  12. 522
  13. 2360
  14. 3759
  15. 6381
  16. 1932
  17. 2904
  18. 513
  19. 4736
  20. 2720
  21. 417
  22. 894
  23. 6075
  24. 1986
  25. 6728
  26. 2864
  27. 5436
  28. 1352
  29. 7182
  30. 1845
  31. 3560
  32. 2920
  33. 1028
  34. 1038
  35. 7648
  36. 5072
  37. 3105
  38. 1696
  39. 5670
  40. 4203

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