← 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 442 · 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. 1.658 × 5 =
  2. 2.289 × 6 =
  3. 3.154 × 9 =
  4. 4.898 × 9 =
  5. 5.787 × 7 =
  6. 6.721 × 4 =
  7. 7.583 × 6 =
  8. 8.147 × 6 =
  9. 9.751 × 7 =
  10. 10.894 × 8 =
  11. 11.147 × 3 =
  12. 12.134 × 6 =
  13. 13.955 × 6 =
  14. 14.416 × 9 =
  15. 15.832 × 7 =
  16. 16.391 × 8 =
  17. 17.613 × 6 =
  18. 18.543 × 6 =
  19. 19.572 × 7 =
  20. 20.781 × 5 =
  21. 21.891 × 3 =
  22. 22.351 × 3 =
  23. 23.883 × 4 =
  24. 24.488 × 9 =
  25. 25.344 × 7 =
  26. 26.585 × 8 =
  27. 27.281 × 4 =
  28. 28.332 × 5 =
  29. 29.834 × 3 =
  30. 30.195 × 5 =
  31. 31.803 × 4 =
  32. 32.532 × 5 =
  33. 33.566 × 9 =
  34. 34.489 × 7 =
  35. 35.756 × 6 =
  36. 36.343 × 6 =
  37. 37.132 × 5 =
  38. 38.128 × 4 =
  39. 39.676 × 5 =
  40. 40.685 × 6 =

Answer key

  1. 3290
  2. 1734
  3. 1386
  4. 8082
  5. 5509
  6. 2884
  7. 3498
  8. 882
  9. 5257
  10. 7152
  11. 441
  12. 804
  13. 5730
  14. 3744
  15. 5824
  16. 3128
  17. 3678
  18. 3258
  19. 4004
  20. 3905
  21. 2673
  22. 1053
  23. 3532
  24. 4392
  25. 2408
  26. 4680
  27. 1124
  28. 1660
  29. 2502
  30. 975
  31. 3212
  32. 2660
  33. 5094
  34. 3423
  35. 4536
  36. 2058
  37. 660
  38. 512
  39. 3380
  40. 4110

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