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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 67 · 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. 1.888 × 5 =
  2. 2.498 × 4 =
  3. 3.864 × 3 =
  4. 4.226 × 5 =
  5. 5.609 × 7 =
  6. 6.305 × 7 =
  7. 7.215 × 6 =
  8. 8.676 × 9 =
  9. 9.692 × 6 =
  10. 10.327 × 5 =
  11. 11.881 × 6 =
  12. 12.499 × 3 =
  13. 13.318 × 6 =
  14. 14.373 × 6 =
  15. 15.481 × 5 =
  16. 16.228 × 8 =
  17. 17.251 × 9 =
  18. 18.607 × 9 =
  19. 19.442 × 7 =
  20. 20.754 × 4 =
  21. 21.311 × 9 =
  22. 22.582 × 9 =
  23. 23.288 × 7 =
  24. 24.638 × 5 =
  25. 25.958 × 3 =
  26. 26.399 × 3 =
  27. 27.764 × 9 =
  28. 28.269 × 4 =
  29. 29.286 × 9 =
  30. 30.285 × 4 =
  31. 31.146 × 9 =
  32. 32.129 × 4 =
  33. 33.831 × 8 =
  34. 34.741 × 8 =
  35. 35.801 × 6 =
  36. 36.381 × 4 =
  37. 37.416 × 8 =
  38. 38.288 × 8 =
  39. 39.301 × 8 =
  40. 40.539 × 8 =

Answer key

  1. 4440
  2. 1992
  3. 2592
  4. 1130
  5. 4263
  6. 2135
  7. 1290
  8. 6084
  9. 4152
  10. 1635
  11. 5286
  12. 1497
  13. 1908
  14. 2238
  15. 2405
  16. 1824
  17. 2259
  18. 5463
  19. 3094
  20. 3016
  21. 2799
  22. 5238
  23. 2016
  24. 3190
  25. 2874
  26. 1197
  27. 6876
  28. 1076
  29. 2574
  30. 1140
  31. 1314
  32. 516
  33. 6648
  34. 5928
  35. 4806
  36. 1524
  37. 3328
  38. 2304
  39. 2408
  40. 4312

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