← 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 506 · 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. 1.826 × 5 =
  2. 2.708 × 3 =
  3. 3.588 × 5 =
  4. 4.228 × 6 =
  5. 5.861 × 5 =
  6. 6.789 × 4 =
  7. 7.871 × 4 =
  8. 8.761 × 4 =
  9. 9.177 × 9 =
  10. 10.359 × 4 =
  11. 11.727 × 3 =
  12. 12.634 × 7 =
  13. 13.338 × 3 =
  14. 14.332 × 5 =
  15. 15.202 × 8 =
  16. 16.511 × 3 =
  17. 17.159 × 3 =
  18. 18.188 × 4 =
  19. 19.658 × 7 =
  20. 20.459 × 3 =
  21. 21.836 × 8 =
  22. 22.431 × 8 =
  23. 23.788 × 6 =
  24. 24.818 × 3 =
  25. 25.697 × 3 =
  26. 26.209 × 7 =
  27. 27.591 × 3 =
  28. 28.945 × 7 =
  29. 29.297 × 3 =
  30. 30.252 × 5 =
  31. 31.518 × 7 =
  32. 32.159 × 7 =
  33. 33.522 × 9 =
  34. 34.399 × 9 =
  35. 35.121 × 9 =
  36. 36.396 × 9 =
  37. 37.956 × 6 =
  38. 38.195 × 5 =
  39. 39.151 × 7 =
  40. 40.243 × 8 =

Answer key

  1. 4130
  2. 2124
  3. 2940
  4. 1368
  5. 4305
  6. 3156
  7. 3484
  8. 3044
  9. 1593
  10. 1436
  11. 2181
  12. 4438
  13. 1014
  14. 1660
  15. 1616
  16. 1533
  17. 477
  18. 752
  19. 4606
  20. 1377
  21. 6688
  22. 3448
  23. 4728
  24. 2454
  25. 2091
  26. 1463
  27. 1773
  28. 6615
  29. 891
  30. 1260
  31. 3626
  32. 1113
  33. 4698
  34. 3591
  35. 1089
  36. 3564
  37. 5736
  38. 975
  39. 1057
  40. 1944

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