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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 58 · 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. 1.725 × 3 =
  2. 2.946 × 8 =
  3. 3.466 × 8 =
  4. 4.891 × 7 =
  5. 5.325 × 8 =
  6. 6.379 × 7 =
  7. 7.488 × 8 =
  8. 8.215 × 7 =
  9. 9.837 × 4 =
  10. 10.333 × 7 =
  11. 11.209 × 9 =
  12. 12.581 × 8 =
  13. 13.461 × 4 =
  14. 14.872 × 8 =
  15. 15.644 × 3 =
  16. 16.983 × 3 =
  17. 17.469 × 5 =
  18. 18.694 × 3 =
  19. 19.199 × 9 =
  20. 20.275 × 8 =
  21. 21.378 × 6 =
  22. 22.632 × 4 =
  23. 23.495 × 6 =
  24. 24.757 × 5 =
  25. 25.815 × 6 =
  26. 26.601 × 3 =
  27. 27.169 × 4 =
  28. 28.469 × 7 =
  29. 29.209 × 5 =
  30. 30.572 × 7 =
  31. 31.476 × 7 =
  32. 32.611 × 8 =
  33. 33.898 × 6 =
  34. 34.751 × 5 =
  35. 35.836 × 8 =
  36. 36.308 × 8 =
  37. 37.878 × 9 =
  38. 38.331 × 6 =
  39. 39.741 × 5 =
  40. 40.516 × 4 =

Answer key

  1. 2175
  2. 7568
  3. 3728
  4. 6237
  5. 2600
  6. 2653
  7. 3904
  8. 1505
  9. 3348
  10. 2331
  11. 1881
  12. 4648
  13. 1844
  14. 6976
  15. 1932
  16. 2949
  17. 2345
  18. 2082
  19. 1791
  20. 2200
  21. 2268
  22. 2528
  23. 2970
  24. 3785
  25. 4890
  26. 1803
  27. 676
  28. 3283
  29. 1045
  30. 4004
  31. 3332
  32. 4888
  33. 5388
  34. 3755
  35. 6688
  36. 2464
  37. 7902
  38. 1986
  39. 3705
  40. 2064

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