← 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 9 · 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. 1.447 × 5 =
  2. 2.946 × 6 =
  3. 3.881 × 6 =
  4. 4.398 × 4 =
  5. 5.341 × 9 =
  6. 6.367 × 9 =
  7. 7.537 × 7 =
  8. 8.121 × 7 =
  9. 9.318 × 3 =
  10. 10.668 × 6 =
  11. 11.204 × 8 =
  12. 12.676 × 3 =
  13. 13.894 × 4 =
  14. 14.966 × 6 =
  15. 15.335 × 7 =
  16. 16.165 × 4 =
  17. 17.447 × 6 =
  18. 18.725 × 8 =
  19. 19.176 × 4 =
  20. 20.305 × 5 =
  21. 21.779 × 5 =
  22. 22.745 × 5 =
  23. 23.126 × 9 =
  24. 24.129 × 5 =
  25. 25.203 × 3 =
  26. 26.113 × 4 =
  27. 27.537 × 9 =
  28. 28.813 × 9 =
  29. 29.154 × 5 =
  30. 30.307 × 9 =
  31. 31.301 × 5 =
  32. 32.307 × 7 =
  33. 33.656 × 5 =
  34. 34.521 × 3 =
  35. 35.753 × 6 =
  36. 36.311 × 4 =
  37. 37.549 × 3 =
  38. 38.261 × 6 =
  39. 39.141 × 6 =
  40. 40.954 × 4 =

Answer key

  1. 2235
  2. 5676
  3. 5286
  4. 1592
  5. 3069
  6. 3303
  7. 3759
  8. 847
  9. 954
  10. 4008
  11. 1632
  12. 2028
  13. 3576
  14. 5796
  15. 2345
  16. 660
  17. 2682
  18. 5800
  19. 704
  20. 1525
  21. 3895
  22. 3725
  23. 1134
  24. 645
  25. 609
  26. 452
  27. 4833
  28. 7317
  29. 770
  30. 2763
  31. 1505
  32. 2149
  33. 3280
  34. 1563
  35. 4518
  36. 1244
  37. 1647
  38. 1566
  39. 846
  40. 3816

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