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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 999 · 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. 1.294 × 6 =
  2. 2.613 × 5 =
  3. 3.695 × 3 =
  4. 4.188 × 4 =
  5. 5.323 × 6 =
  6. 6.683 × 3 =
  7. 7.527 × 3 =
  8. 8.265 × 3 =
  9. 9.281 × 5 =
  10. 10.291 × 3 =
  11. 11.369 × 3 =
  12. 12.331 × 4 =
  13. 13.971 × 3 =
  14. 14.301 × 3 =
  15. 15.384 × 3 =
  16. 16.727 × 3 =
  17. 17.784 × 5 =
  18. 18.435 × 3 =
  19. 19.873 × 6 =
  20. 20.713 × 3 =
  21. 21.787 × 3 =
  22. 22.981 × 3 =
  23. 23.295 × 5 =
  24. 24.921 × 6 =
  25. 25.156 × 7 =
  26. 26.335 × 5 =
  27. 27.335 × 8 =
  28. 28.751 × 5 =
  29. 29.121 × 9 =
  30. 30.795 × 7 =
  31. 31.186 × 8 =
  32. 32.401 × 9 =
  33. 33.881 × 4 =
  34. 34.207 × 4 =
  35. 35.444 × 7 =
  36. 36.249 × 8 =
  37. 37.192 × 3 =
  38. 38.849 × 4 =
  39. 39.629 × 9 =
  40. 40.782 × 3 =

Answer key

  1. 1764
  2. 3065
  3. 2085
  4. 752
  5. 1938
  6. 2049
  7. 1581
  8. 795
  9. 1405
  10. 873
  11. 1107
  12. 1324
  13. 2913
  14. 903
  15. 1152
  16. 2181
  17. 3920
  18. 1305
  19. 5238
  20. 2139
  21. 2361
  22. 2943
  23. 1475
  24. 5526
  25. 1092
  26. 1675
  27. 2680
  28. 3755
  29. 1089
  30. 5565
  31. 1488
  32. 3609
  33. 3524
  34. 828
  35. 3108
  36. 1992
  37. 576
  38. 3396
  39. 5661
  40. 2346

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