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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 906 · 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. 1.621 × 9 =
  2. 2.692 × 6 =
  3. 3.669 × 8 =
  4. 4.809 × 9 =
  5. 5.392 × 6 =
  6. 6.636 × 7 =
  7. 7.667 × 3 =
  8. 8.246 × 3 =
  9. 9.323 × 9 =
  10. 10.171 × 4 =
  11. 11.402 × 6 =
  12. 12.677 × 4 =
  13. 13.948 × 3 =
  14. 14.494 × 3 =
  15. 15.331 × 3 =
  16. 16.233 × 4 =
  17. 17.648 × 3 =
  18. 18.331 × 5 =
  19. 19.716 × 3 =
  20. 20.684 × 9 =
  21. 21.596 × 4 =
  22. 22.597 × 6 =
  23. 23.719 × 5 =
  24. 24.405 × 5 =
  25. 25.456 × 4 =
  26. 26.797 × 9 =
  27. 27.825 × 4 =
  28. 28.369 × 9 =
  29. 29.215 × 6 =
  30. 30.198 × 3 =
  31. 31.119 × 8 =
  32. 32.501 × 8 =
  33. 33.218 × 8 =
  34. 34.537 × 4 =
  35. 35.137 × 4 =
  36. 36.963 × 9 =
  37. 37.201 × 6 =
  38. 38.272 × 9 =
  39. 39.115 × 9 =
  40. 40.728 × 7 =

Answer key

  1. 5589
  2. 4152
  3. 5352
  4. 7281
  5. 2352
  6. 4452
  7. 2001
  8. 738
  9. 2907
  10. 684
  11. 2412
  12. 2708
  13. 2844
  14. 1482
  15. 993
  16. 932
  17. 1944
  18. 1655
  19. 2148
  20. 6156
  21. 2384
  22. 3582
  23. 3595
  24. 2025
  25. 1824
  26. 7173
  27. 3300
  28. 3321
  29. 1290
  30. 594
  31. 952
  32. 4008
  33. 1744
  34. 2148
  35. 548
  36. 8667
  37. 1206
  38. 2448
  39. 1035
  40. 5096

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