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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 838 · 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. 1.936 × 3 =
  2. 2.491 × 5 =
  3. 3.615 × 4 =
  4. 4.607 × 5 =
  5. 5.773 × 9 =
  6. 6.878 × 7 =
  7. 7.875 × 3 =
  8. 8.412 × 5 =
  9. 9.388 × 3 =
  10. 10.146 × 8 =
  11. 11.764 × 8 =
  12. 12.851 × 3 =
  13. 13.507 × 5 =
  14. 14.557 × 8 =
  15. 15.324 × 3 =
  16. 16.674 × 6 =
  17. 17.161 × 9 =
  18. 18.673 × 3 =
  19. 19.233 × 6 =
  20. 20.362 × 5 =
  21. 21.513 × 7 =
  22. 22.898 × 9 =
  23. 23.336 × 7 =
  24. 24.221 × 3 =
  25. 25.774 × 6 =
  26. 26.451 × 8 =
  27. 27.433 × 4 =
  28. 28.345 × 5 =
  29. 29.845 × 7 =
  30. 30.909 × 7 =
  31. 31.867 × 8 =
  32. 32.169 × 4 =
  33. 33.749 × 9 =
  34. 34.558 × 8 =
  35. 35.937 × 8 =
  36. 36.707 × 9 =
  37. 37.571 × 5 =
  38. 38.383 × 4 =
  39. 39.665 × 6 =
  40. 40.701 × 9 =

Answer key

  1. 2808
  2. 2455
  3. 2460
  4. 3035
  5. 6957
  6. 6146
  7. 2625
  8. 2060
  9. 1164
  10. 1168
  11. 6112
  12. 2553
  13. 2535
  14. 4456
  15. 972
  16. 4044
  17. 1449
  18. 2019
  19. 1398
  20. 1810
  21. 3591
  22. 8082
  23. 2352
  24. 663
  25. 4644
  26. 3608
  27. 1732
  28. 1725
  29. 5915
  30. 6363
  31. 6936
  32. 676
  33. 6741
  34. 4464
  35. 7496
  36. 6363
  37. 2855
  38. 1532
  39. 3990
  40. 6309

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