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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 733 · 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. 1.622 × 7 =
  2. 2.598 × 8 =
  3. 3.532 × 8 =
  4. 4.371 × 7 =
  5. 5.189 × 4 =
  6. 6.405 × 9 =
  7. 7.553 × 9 =
  8. 8.911 × 5 =
  9. 9.907 × 7 =
  10. 10.603 × 4 =
  11. 11.349 × 9 =
  12. 12.679 × 8 =
  13. 13.558 × 7 =
  14. 14.174 × 8 =
  15. 15.515 × 6 =
  16. 16.983 × 4 =
  17. 17.903 × 8 =
  18. 18.145 × 6 =
  19. 19.183 × 5 =
  20. 20.115 × 7 =
  21. 21.375 × 3 =
  22. 22.977 × 4 =
  23. 23.676 × 3 =
  24. 24.422 × 9 =
  25. 25.323 × 5 =
  26. 26.812 × 8 =
  27. 27.175 × 3 =
  28. 28.755 × 4 =
  29. 29.365 × 7 =
  30. 30.709 × 3 =
  31. 31.491 × 5 =
  32. 32.163 × 8 =
  33. 33.541 × 5 =
  34. 34.306 × 7 =
  35. 35.295 × 4 =
  36. 36.604 × 6 =
  37. 37.375 × 9 =
  38. 38.274 × 4 =
  39. 39.141 × 9 =
  40. 40.921 × 5 =

Answer key

  1. 4354
  2. 4784
  3. 4256
  4. 2597
  5. 756
  6. 3645
  7. 4977
  8. 4555
  9. 6349
  10. 2412
  11. 3141
  12. 5432
  13. 3906
  14. 1392
  15. 3090
  16. 3932
  17. 7224
  18. 870
  19. 915
  20. 805
  21. 1125
  22. 3908
  23. 2028
  24. 3798
  25. 1615
  26. 6496
  27. 525
  28. 3020
  29. 2555
  30. 2127
  31. 2455
  32. 1304
  33. 2705
  34. 2142
  35. 1180
  36. 3624
  37. 3375
  38. 1096
  39. 1269
  40. 4605

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