← 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 162 · 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. 1.771 × 7 =
  2. 2.965 × 9 =
  3. 3.215 × 4 =
  4. 4.459 × 5 =
  5. 5.656 × 7 =
  6. 6.432 × 9 =
  7. 7.299 × 3 =
  8. 8.896 × 8 =
  9. 9.718 × 7 =
  10. 10.566 × 5 =
  11. 11.512 × 3 =
  12. 12.368 × 9 =
  13. 13.871 × 4 =
  14. 14.173 × 4 =
  15. 15.681 × 3 =
  16. 16.914 × 3 =
  17. 17.431 × 5 =
  18. 18.205 × 8 =
  19. 19.725 × 4 =
  20. 20.354 × 9 =
  21. 21.256 × 5 =
  22. 22.441 × 6 =
  23. 23.133 × 5 =
  24. 24.535 × 6 =
  25. 25.332 × 8 =
  26. 26.495 × 7 =
  27. 27.893 × 6 =
  28. 28.492 × 3 =
  29. 29.834 × 7 =
  30. 30.641 × 7 =
  31. 31.788 × 7 =
  32. 32.651 × 9 =
  33. 33.237 × 3 =
  34. 34.202 × 7 =
  35. 35.391 × 8 =
  36. 36.549 × 3 =
  37. 37.486 × 4 =
  38. 38.305 × 9 =
  39. 39.277 × 3 =
  40. 40.906 × 5 =

Answer key

  1. 5397
  2. 8685
  3. 860
  4. 2295
  5. 4592
  6. 3888
  7. 897
  8. 7168
  9. 5026
  10. 2830
  11. 1536
  12. 3312
  13. 3484
  14. 692
  15. 2043
  16. 2742
  17. 2155
  18. 1640
  19. 2900
  20. 3186
  21. 1280
  22. 2646
  23. 665
  24. 3210
  25. 2656
  26. 3465
  27. 5358
  28. 1476
  29. 5838
  30. 4487
  31. 5516
  32. 5859
  33. 711
  34. 1414
  35. 3128
  36. 1647
  37. 1944
  38. 2745
  39. 831
  40. 4530

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