← Multiply 3-digit by 1-digit, hundreds first lesson New set →

3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 788 · 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. 1.574 × 5 =
  2. 2.266 × 3 =
  3. 3.931 × 4 =
  4. 4.532 × 7 =
  5. 5.146 × 7 =
  6. 6.357 × 4 =
  7. 7.479 × 3 =
  8. 8.252 × 6 =
  9. 9.493 × 7 =
  10. 10.272 × 9 =
  11. 11.831 × 5 =
  12. 12.721 × 6 =
  13. 13.547 × 6 =
  14. 14.838 × 7 =
  15. 15.951 × 3 =
  16. 16.345 × 3 =
  17. 17.175 × 5 =
  18. 18.881 × 8 =
  19. 19.589 × 4 =
  20. 20.615 × 4 =
  21. 21.584 × 8 =
  22. 22.541 × 9 =
  23. 23.524 × 9 =
  24. 24.782 × 3 =
  25. 25.464 × 3 =
  26. 26.837 × 7 =
  27. 27.929 × 5 =
  28. 28.235 × 4 =
  29. 29.703 × 8 =
  30. 30.554 × 4 =
  31. 31.263 × 3 =
  32. 32.189 × 4 =
  33. 33.727 × 4 =
  34. 34.411 × 4 =
  35. 35.413 × 5 =
  36. 36.677 × 7 =
  37. 37.459 × 5 =
  38. 38.175 × 3 =
  39. 39.459 × 9 =
  40. 40.883 × 6 =

Answer key

  1. 2870
  2. 798
  3. 3724
  4. 3724
  5. 1022
  6. 1428
  7. 1437
  8. 1512
  9. 3451
  10. 2448
  11. 4155
  12. 4326
  13. 3282
  14. 5866
  15. 2853
  16. 1035
  17. 875
  18. 7048
  19. 2356
  20. 2460
  21. 4672
  22. 4869
  23. 4716
  24. 2346
  25. 1392
  26. 5859
  27. 4645
  28. 940
  29. 5624
  30. 2216
  31. 789
  32. 756
  33. 2908
  34. 1644
  35. 2065
  36. 4739
  37. 2295
  38. 525
  39. 4131
  40. 5298

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths