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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 782 · 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. 1.943 × 8 =
  2. 2.937 × 7 =
  3. 3.144 × 3 =
  4. 4.246 × 6 =
  5. 5.267 × 9 =
  6. 6.371 × 5 =
  7. 7.372 × 9 =
  8. 8.241 × 4 =
  9. 9.525 × 5 =
  10. 10.167 × 3 =
  11. 11.773 × 9 =
  12. 12.145 × 7 =
  13. 13.639 × 9 =
  14. 14.564 × 7 =
  15. 15.425 × 9 =
  16. 16.371 × 8 =
  17. 17.303 × 8 =
  18. 18.124 × 7 =
  19. 19.271 × 6 =
  20. 20.393 × 4 =
  21. 21.665 × 6 =
  22. 22.157 × 5 =
  23. 23.951 × 6 =
  24. 24.614 × 5 =
  25. 25.411 × 8 =
  26. 26.525 × 8 =
  27. 27.215 × 4 =
  28. 28.498 × 8 =
  29. 29.212 × 7 =
  30. 30.845 × 6 =
  31. 31.872 × 7 =
  32. 32.797 × 9 =
  33. 33.218 × 6 =
  34. 34.767 × 7 =
  35. 35.351 × 8 =
  36. 36.744 × 9 =
  37. 37.125 × 5 =
  38. 38.202 × 8 =
  39. 39.511 × 4 =
  40. 40.831 × 3 =

Answer key

  1. 7544
  2. 6559
  3. 432
  4. 1476
  5. 2403
  6. 1855
  7. 3348
  8. 964
  9. 2625
  10. 501
  11. 6957
  12. 1015
  13. 5751
  14. 3948
  15. 3825
  16. 2968
  17. 2424
  18. 868
  19. 1626
  20. 1572
  21. 3990
  22. 785
  23. 5706
  24. 3070
  25. 3288
  26. 4200
  27. 860
  28. 3984
  29. 1484
  30. 5070
  31. 6104
  32. 7173
  33. 1308
  34. 5369
  35. 2808
  36. 6696
  37. 625
  38. 1616
  39. 2044
  40. 2493

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