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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 975 · 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. 1.354 × 8 =
  2. 2.155 × 5 =
  3. 3.203 × 7 =
  4. 4.154 × 5 =
  5. 5.961 × 8 =
  6. 6.371 × 3 =
  7. 7.757 × 9 =
  8. 8.649 × 3 =
  9. 9.112 × 9 =
  10. 10.341 × 7 =
  11. 11.373 × 4 =
  12. 12.141 × 7 =
  13. 13.342 × 8 =
  14. 14.406 × 6 =
  15. 15.441 × 3 =
  16. 16.413 × 4 =
  17. 17.604 × 5 =
  18. 18.246 × 5 =
  19. 19.241 × 9 =
  20. 20.445 × 7 =
  21. 21.989 × 4 =
  22. 22.413 × 7 =
  23. 23.615 × 3 =
  24. 24.876 × 5 =
  25. 25.928 × 3 =
  26. 26.314 × 6 =
  27. 27.565 × 4 =
  28. 28.851 × 7 =
  29. 29.707 × 6 =
  30. 30.562 × 8 =
  31. 31.172 × 8 =
  32. 32.914 × 8 =
  33. 33.387 × 4 =
  34. 34.238 × 5 =
  35. 35.423 × 3 =
  36. 36.713 × 8 =
  37. 37.688 × 4 =
  38. 38.141 × 6 =
  39. 39.226 × 7 =
  40. 40.954 × 4 =

Answer key

  1. 2832
  2. 775
  3. 1421
  4. 770
  5. 7688
  6. 1113
  7. 6813
  8. 1947
  9. 1008
  10. 2387
  11. 1492
  12. 987
  13. 2736
  14. 2436
  15. 1323
  16. 1652
  17. 3020
  18. 1230
  19. 2169
  20. 3115
  21. 3956
  22. 2891
  23. 1845
  24. 4380
  25. 2784
  26. 1884
  27. 2260
  28. 5957
  29. 4242
  30. 4496
  31. 1376
  32. 7312
  33. 1548
  34. 1190
  35. 1269
  36. 5704
  37. 2752
  38. 846
  39. 1582
  40. 3816

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