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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 462 · 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. 1.498 × 3 =
  2. 2.208 × 9 =
  3. 3.775 × 6 =
  4. 4.152 × 5 =
  5. 5.718 × 8 =
  6. 6.573 × 3 =
  7. 7.328 × 7 =
  8. 8.552 × 3 =
  9. 9.438 × 4 =
  10. 10.955 × 8 =
  11. 11.257 × 3 =
  12. 12.351 × 8 =
  13. 13.521 × 6 =
  14. 14.769 × 5 =
  15. 15.431 × 9 =
  16. 16.653 × 7 =
  17. 17.559 × 6 =
  18. 18.431 × 4 =
  19. 19.493 × 3 =
  20. 20.948 × 5 =
  21. 21.202 × 4 =
  22. 22.183 × 8 =
  23. 23.207 × 3 =
  24. 24.472 × 6 =
  25. 25.542 × 6 =
  26. 26.505 × 4 =
  27. 27.191 × 9 =
  28. 28.487 × 4 =
  29. 29.137 × 3 =
  30. 30.524 × 9 =
  31. 31.568 × 5 =
  32. 32.342 × 4 =
  33. 33.605 × 8 =
  34. 34.627 × 8 =
  35. 35.138 × 8 =
  36. 36.578 × 3 =
  37. 37.483 × 5 =
  38. 38.341 × 3 =
  39. 39.485 × 4 =
  40. 40.591 × 8 =

Answer key

  1. 1494
  2. 1872
  3. 4650
  4. 760
  5. 5744
  6. 1719
  7. 2296
  8. 1656
  9. 1752
  10. 7640
  11. 771
  12. 2808
  13. 3126
  14. 3845
  15. 3879
  16. 4571
  17. 3354
  18. 1724
  19. 1479
  20. 4740
  21. 808
  22. 1464
  23. 621
  24. 2832
  25. 3252
  26. 2020
  27. 1719
  28. 1948
  29. 411
  30. 4716
  31. 2840
  32. 1368
  33. 4840
  34. 5016
  35. 1104
  36. 1734
  37. 2415
  38. 1023
  39. 1940
  40. 4728

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