← 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 589 · 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. 1.344 × 7 =
  2. 2.963 × 3 =
  3. 3.727 × 4 =
  4. 4.373 × 5 =
  5. 5.215 × 6 =
  6. 6.258 × 3 =
  7. 7.942 × 8 =
  8. 8.848 × 5 =
  9. 9.735 × 6 =
  10. 10.316 × 5 =
  11. 11.483 × 8 =
  12. 12.953 × 3 =
  13. 13.131 × 4 =
  14. 14.591 × 5 =
  15. 15.636 × 6 =
  16. 16.796 × 4 =
  17. 17.261 × 6 =
  18. 18.807 × 6 =
  19. 19.774 × 4 =
  20. 20.829 × 5 =
  21. 21.741 × 3 =
  22. 22.759 × 4 =
  23. 23.454 × 3 =
  24. 24.356 × 8 =
  25. 25.246 × 6 =
  26. 26.429 × 7 =
  27. 27.124 × 6 =
  28. 28.813 × 6 =
  29. 29.273 × 6 =
  30. 30.583 × 5 =
  31. 31.459 × 6 =
  32. 32.399 × 3 =
  33. 33.274 × 5 =
  34. 34.955 × 8 =
  35. 35.718 × 7 =
  36. 36.747 × 8 =
  37. 37.121 × 3 =
  38. 38.347 × 7 =
  39. 39.688 × 9 =
  40. 40.225 × 9 =

Answer key

  1. 2408
  2. 2889
  3. 2908
  4. 1865
  5. 1290
  6. 774
  7. 7536
  8. 4240
  9. 4410
  10. 1580
  11. 3864
  12. 2859
  13. 524
  14. 2955
  15. 3816
  16. 3184
  17. 1566
  18. 4842
  19. 3096
  20. 4145
  21. 2223
  22. 3036
  23. 1362
  24. 2848
  25. 1476
  26. 3003
  27. 744
  28. 4878
  29. 1638
  30. 2915
  31. 2754
  32. 1197
  33. 1370
  34. 7640
  35. 5026
  36. 5976
  37. 363
  38. 2429
  39. 6192
  40. 2025

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