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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 928 · 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. 1.571 × 5 =
  2. 2.339 × 4 =
  3. 3.688 × 6 =
  4. 4.853 × 7 =
  5. 5.453 × 7 =
  6. 6.545 × 8 =
  7. 7.877 × 5 =
  8. 8.559 × 5 =
  9. 9.846 × 3 =
  10. 10.634 × 9 =
  11. 11.882 × 4 =
  12. 12.821 × 7 =
  13. 13.752 × 4 =
  14. 14.833 × 3 =
  15. 15.301 × 5 =
  16. 16.713 × 5 =
  17. 17.618 × 3 =
  18. 18.487 × 7 =
  19. 19.496 × 5 =
  20. 20.358 × 3 =
  21. 21.781 × 4 =
  22. 22.805 × 9 =
  23. 23.292 × 5 =
  24. 24.446 × 4 =
  25. 25.535 × 8 =
  26. 26.305 × 8 =
  27. 27.221 × 5 =
  28. 28.641 × 4 =
  29. 29.979 × 6 =
  30. 30.943 × 3 =
  31. 31.165 × 4 =
  32. 32.767 × 4 =
  33. 33.741 × 6 =
  34. 34.329 × 5 =
  35. 35.163 × 7 =
  36. 36.623 × 7 =
  37. 37.712 × 4 =
  38. 38.365 × 6 =
  39. 39.181 × 6 =
  40. 40.231 × 8 =

Answer key

  1. 2855
  2. 1356
  3. 4128
  4. 5971
  5. 3171
  6. 4360
  7. 4385
  8. 2795
  9. 2538
  10. 5706
  11. 3528
  12. 5747
  13. 3008
  14. 2499
  15. 1505
  16. 3565
  17. 1854
  18. 3409
  19. 2480
  20. 1074
  21. 3124
  22. 7245
  23. 1460
  24. 1784
  25. 4280
  26. 2440
  27. 1105
  28. 2564
  29. 5874
  30. 2829
  31. 660
  32. 3068
  33. 4446
  34. 1645
  35. 1141
  36. 4361
  37. 2848
  38. 2190
  39. 1086
  40. 1848

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