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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 100 · 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. 1.352 × 6 =
  2. 2.725 × 9 =
  3. 3.262 × 8 =
  4. 4.123 × 8 =
  5. 5.415 × 3 =
  6. 6.341 × 9 =
  7. 7.196 × 3 =
  8. 8.837 × 5 =
  9. 9.772 × 4 =
  10. 10.401 × 8 =
  11. 11.732 × 3 =
  12. 12.937 × 4 =
  13. 13.834 × 7 =
  14. 14.661 × 4 =
  15. 15.133 × 5 =
  16. 16.355 × 5 =
  17. 17.821 × 6 =
  18. 18.859 × 6 =
  19. 19.361 × 9 =
  20. 20.885 × 3 =
  21. 21.129 × 5 =
  22. 22.237 × 9 =
  23. 23.224 × 7 =
  24. 24.781 × 3 =
  25. 25.436 × 7 =
  26. 26.861 × 5 =
  27. 27.813 × 3 =
  28. 28.554 × 4 =
  29. 29.934 × 3 =
  30. 30.512 × 5 =
  31. 31.318 × 3 =
  32. 32.896 × 7 =
  33. 33.595 × 7 =
  34. 34.645 × 7 =
  35. 35.233 × 6 =
  36. 36.375 × 7 =
  37. 37.204 × 9 =
  38. 38.426 × 6 =
  39. 39.202 × 3 =
  40. 40.771 × 6 =

Answer key

  1. 2112
  2. 6525
  3. 2096
  4. 984
  5. 1245
  6. 3069
  7. 588
  8. 4185
  9. 3088
  10. 3208
  11. 2196
  12. 3748
  13. 5838
  14. 2644
  15. 665
  16. 1775
  17. 4926
  18. 5154
  19. 3249
  20. 2655
  21. 645
  22. 2133
  23. 1568
  24. 2343
  25. 3052
  26. 4305
  27. 2439
  28. 2216
  29. 2802
  30. 2560
  31. 954
  32. 6272
  33. 4165
  34. 4515
  35. 1398
  36. 2625
  37. 1836
  38. 2556
  39. 606
  40. 4626

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