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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 662 · 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. 1.217 × 9 =
  2. 2.131 × 3 =
  3. 3.585 × 6 =
  4. 4.436 × 6 =
  5. 5.769 × 6 =
  6. 6.488 × 9 =
  7. 7.701 × 7 =
  8. 8.481 × 7 =
  9. 9.971 × 3 =
  10. 10.911 × 4 =
  11. 11.241 × 4 =
  12. 12.691 × 9 =
  13. 13.214 × 6 =
  14. 14.826 × 9 =
  15. 15.859 × 4 =
  16. 16.262 × 7 =
  17. 17.973 × 9 =
  18. 18.904 × 9 =
  19. 19.343 × 5 =
  20. 20.302 × 5 =
  21. 21.779 × 4 =
  22. 22.299 × 7 =
  23. 23.981 × 7 =
  24. 24.523 × 8 =
  25. 25.371 × 7 =
  26. 26.312 × 6 =
  27. 27.376 × 8 =
  28. 28.628 × 8 =
  29. 29.483 × 6 =
  30. 30.869 × 3 =
  31. 31.524 × 5 =
  32. 32.663 × 7 =
  33. 33.142 × 7 =
  34. 34.402 × 8 =
  35. 35.601 × 5 =
  36. 36.961 × 8 =
  37. 37.255 × 9 =
  38. 38.706 × 6 =
  39. 39.755 × 3 =
  40. 40.477 × 7 =

Answer key

  1. 1953
  2. 393
  3. 3510
  4. 2616
  5. 4614
  6. 4392
  7. 4907
  8. 3367
  9. 2913
  10. 3644
  11. 964
  12. 6219
  13. 1284
  14. 7434
  15. 3436
  16. 1834
  17. 8757
  18. 8136
  19. 1715
  20. 1510
  21. 3116
  22. 2093
  23. 6867
  24. 4184
  25. 2597
  26. 1872
  27. 3008
  28. 5024
  29. 2898
  30. 2607
  31. 2620
  32. 4641
  33. 994
  34. 3216
  35. 3005
  36. 7688
  37. 2295
  38. 4236
  39. 2265
  40. 3339

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