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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 767 · 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. 1.624 × 9 =
  2. 2.543 × 8 =
  3. 3.238 × 5 =
  4. 4.181 × 7 =
  5. 5.513 × 7 =
  6. 6.974 × 8 =
  7. 7.307 × 6 =
  8. 8.781 × 4 =
  9. 9.199 × 6 =
  10. 10.748 × 7 =
  11. 11.251 × 3 =
  12. 12.244 × 5 =
  13. 13.135 × 8 =
  14. 14.394 × 8 =
  15. 15.265 × 3 =
  16. 16.587 × 5 =
  17. 17.966 × 3 =
  18. 18.391 × 6 =
  19. 19.541 × 6 =
  20. 20.127 × 6 =
  21. 21.557 × 3 =
  22. 22.389 × 4 =
  23. 23.212 × 6 =
  24. 24.752 × 8 =
  25. 25.555 × 6 =
  26. 26.547 × 4 =
  27. 27.289 × 4 =
  28. 28.594 × 9 =
  29. 29.982 × 9 =
  30. 30.544 × 4 =
  31. 31.405 × 3 =
  32. 32.219 × 7 =
  33. 33.435 × 3 =
  34. 34.386 × 4 =
  35. 35.748 × 9 =
  36. 36.408 × 4 =
  37. 37.198 × 9 =
  38. 38.195 × 3 =
  39. 39.662 × 5 =
  40. 40.819 × 4 =

Answer key

  1. 5616
  2. 4344
  3. 1190
  4. 1267
  5. 3591
  6. 7792
  7. 1842
  8. 3124
  9. 1194
  10. 5236
  11. 753
  12. 1220
  13. 1080
  14. 3152
  15. 795
  16. 2935
  17. 2898
  18. 2346
  19. 3246
  20. 762
  21. 1671
  22. 1556
  23. 1272
  24. 6016
  25. 3330
  26. 2188
  27. 1156
  28. 5346
  29. 8838
  30. 2176
  31. 1215
  32. 1533
  33. 1305
  34. 1544
  35. 6732
  36. 1632
  37. 1782
  38. 585
  39. 3310
  40. 3276

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