← 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 229 · 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. 1.171 × 5 =
  2. 2.951 × 9 =
  3. 3.293 × 4 =
  4. 4.539 × 8 =
  5. 5.347 × 6 =
  6. 6.389 × 7 =
  7. 7.968 × 4 =
  8. 8.158 × 9 =
  9. 9.817 × 8 =
  10. 10.738 × 5 =
  11. 11.189 × 5 =
  12. 12.471 × 9 =
  13. 13.873 × 5 =
  14. 14.319 × 4 =
  15. 15.764 × 4 =
  16. 16.286 × 6 =
  17. 17.367 × 3 =
  18. 18.285 × 6 =
  19. 19.264 × 6 =
  20. 20.333 × 7 =
  21. 21.844 × 6 =
  22. 22.575 × 5 =
  23. 23.521 × 3 =
  24. 24.896 × 9 =
  25. 25.518 × 4 =
  26. 26.826 × 4 =
  27. 27.872 × 9 =
  28. 28.269 × 5 =
  29. 29.706 × 3 =
  30. 30.199 × 6 =
  31. 31.751 × 6 =
  32. 32.745 × 3 =
  33. 33.393 × 7 =
  34. 34.165 × 5 =
  35. 35.151 × 3 =
  36. 36.261 × 8 =
  37. 37.258 × 4 =
  38. 38.632 × 3 =
  39. 39.759 × 7 =
  40. 40.255 × 7 =

Answer key

  1. 855
  2. 8559
  3. 1172
  4. 4312
  5. 2082
  6. 2723
  7. 3872
  8. 1422
  9. 6536
  10. 3690
  11. 945
  12. 4239
  13. 4365
  14. 1276
  15. 3056
  16. 1716
  17. 1101
  18. 1710
  19. 1584
  20. 2331
  21. 5064
  22. 2875
  23. 1563
  24. 8064
  25. 2072
  26. 3304
  27. 7848
  28. 1345
  29. 2118
  30. 1194
  31. 4506
  32. 2235
  33. 2751
  34. 825
  35. 453
  36. 2088
  37. 1032
  38. 1896
  39. 5313
  40. 1785

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