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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 939 · 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. 1.427 × 4 =
  2. 2.904 × 4 =
  3. 3.371 × 3 =
  4. 4.738 × 6 =
  5. 5.612 × 4 =
  6. 6.743 × 6 =
  7. 7.299 × 6 =
  8. 8.323 × 6 =
  9. 9.727 × 4 =
  10. 10.263 × 8 =
  11. 11.502 × 3 =
  12. 12.269 × 7 =
  13. 13.959 × 6 =
  14. 14.112 × 9 =
  15. 15.302 × 9 =
  16. 16.439 × 7 =
  17. 17.568 × 7 =
  18. 18.788 × 9 =
  19. 19.818 × 5 =
  20. 20.532 × 6 =
  21. 21.931 × 3 =
  22. 22.181 × 5 =
  23. 23.763 × 7 =
  24. 24.142 × 4 =
  25. 25.658 × 5 =
  26. 26.175 × 5 =
  27. 27.201 × 8 =
  28. 28.163 × 9 =
  29. 29.131 × 7 =
  30. 30.708 × 7 =
  31. 31.321 × 8 =
  32. 32.243 × 9 =
  33. 33.137 × 3 =
  34. 34.887 × 4 =
  35. 35.183 × 5 =
  36. 36.761 × 8 =
  37. 37.154 × 9 =
  38. 38.744 × 6 =
  39. 39.268 × 9 =
  40. 40.274 × 4 =

Answer key

  1. 1708
  2. 3616
  3. 1113
  4. 4428
  5. 2448
  6. 4458
  7. 1794
  8. 1938
  9. 2908
  10. 2104
  11. 1506
  12. 1883
  13. 5754
  14. 1008
  15. 2718
  16. 3073
  17. 3976
  18. 7092
  19. 4090
  20. 3192
  21. 2793
  22. 905
  23. 5341
  24. 568
  25. 3290
  26. 875
  27. 1608
  28. 1467
  29. 917
  30. 4956
  31. 2568
  32. 2187
  33. 411
  34. 3548
  35. 915
  36. 6088
  37. 1386
  38. 4464
  39. 2412
  40. 1096

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