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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 517 · 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. 1.141 × 9 =
  2. 2.366 × 6 =
  3. 3.262 × 6 =
  4. 4.602 × 4 =
  5. 5.525 × 3 =
  6. 6.368 × 6 =
  7. 7.242 × 4 =
  8. 8.759 × 4 =
  9. 9.184 × 6 =
  10. 10.691 × 5 =
  11. 11.334 × 3 =
  12. 12.877 × 5 =
  13. 13.712 × 7 =
  14. 14.273 × 4 =
  15. 15.188 × 9 =
  16. 16.569 × 3 =
  17. 17.511 × 5 =
  18. 18.428 × 3 =
  19. 19.266 × 9 =
  20. 20.921 × 7 =
  21. 21.851 × 9 =
  22. 22.754 × 4 =
  23. 23.552 × 7 =
  24. 24.427 × 6 =
  25. 25.202 × 5 =
  26. 26.861 × 5 =
  27. 27.137 × 8 =
  28. 28.567 × 8 =
  29. 29.301 × 8 =
  30. 30.641 × 7 =
  31. 31.832 × 5 =
  32. 32.401 × 5 =
  33. 33.141 × 4 =
  34. 34.206 × 6 =
  35. 35.888 × 4 =
  36. 36.637 × 5 =
  37. 37.781 × 7 =
  38. 38.428 × 4 =
  39. 39.717 × 6 =
  40. 40.466 × 7 =

Answer key

  1. 1269
  2. 2196
  3. 1572
  4. 2408
  5. 1575
  6. 2208
  7. 968
  8. 3036
  9. 1104
  10. 3455
  11. 1002
  12. 4385
  13. 4984
  14. 1092
  15. 1692
  16. 1707
  17. 2555
  18. 1284
  19. 2394
  20. 6447
  21. 7659
  22. 3016
  23. 3864
  24. 2562
  25. 1010
  26. 4305
  27. 1096
  28. 4536
  29. 2408
  30. 4487
  31. 4160
  32. 2005
  33. 564
  34. 1236
  35. 3552
  36. 3185
  37. 5467
  38. 1712
  39. 4302
  40. 3262

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