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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 246 · 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. 1.901 × 3 =
  2. 2.896 × 3 =
  3. 3.246 × 8 =
  4. 4.181 × 4 =
  5. 5.785 × 9 =
  6. 6.142 × 7 =
  7. 7.737 × 8 =
  8. 8.807 × 9 =
  9. 9.827 × 5 =
  10. 10.396 × 7 =
  11. 11.138 × 5 =
  12. 12.471 × 7 =
  13. 13.899 × 5 =
  14. 14.377 × 3 =
  15. 15.862 × 5 =
  16. 16.281 × 7 =
  17. 17.871 × 9 =
  18. 18.171 × 5 =
  19. 19.158 × 8 =
  20. 20.351 × 9 =
  21. 21.533 × 6 =
  22. 22.409 × 9 =
  23. 23.778 × 3 =
  24. 24.261 × 4 =
  25. 25.694 × 3 =
  26. 26.751 × 8 =
  27. 27.659 × 8 =
  28. 28.791 × 9 =
  29. 29.375 × 7 =
  30. 30.853 × 5 =
  31. 31.821 × 9 =
  32. 32.373 × 4 =
  33. 33.261 × 7 =
  34. 34.302 × 6 =
  35. 35.781 × 5 =
  36. 36.565 × 8 =
  37. 37.141 × 9 =
  38. 38.237 × 4 =
  39. 39.845 × 9 =
  40. 40.302 × 4 =

Answer key

  1. 2703
  2. 2688
  3. 1968
  4. 724
  5. 7065
  6. 994
  7. 5896
  8. 7263
  9. 4135
  10. 2772
  11. 690
  12. 3297
  13. 4495
  14. 1131
  15. 4310
  16. 1967
  17. 7839
  18. 855
  19. 1264
  20. 3159
  21. 3198
  22. 3681
  23. 2334
  24. 1044
  25. 2082
  26. 6008
  27. 5272
  28. 7119
  29. 2625
  30. 4265
  31. 7389
  32. 1492
  33. 1827
  34. 1812
  35. 3905
  36. 4520
  37. 1269
  38. 948
  39. 7605
  40. 1208

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