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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 495 · 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. 1.194 × 5 =
  2. 2.812 × 9 =
  3. 3.594 × 4 =
  4. 4.452 × 9 =
  5. 5.699 × 4 =
  6. 6.369 × 4 =
  7. 7.367 × 5 =
  8. 8.321 × 9 =
  9. 9.584 × 8 =
  10. 10.615 × 5 =
  11. 11.294 × 4 =
  12. 12.888 × 9 =
  13. 13.463 × 9 =
  14. 14.937 × 3 =
  15. 15.153 × 7 =
  16. 16.461 × 7 =
  17. 17.527 × 6 =
  18. 18.531 × 3 =
  19. 19.229 × 8 =
  20. 20.284 × 3 =
  21. 21.677 × 7 =
  22. 22.341 × 9 =
  23. 23.781 × 9 =
  24. 24.401 × 5 =
  25. 25.267 × 4 =
  26. 26.188 × 6 =
  27. 27.603 × 6 =
  28. 28.395 × 4 =
  29. 29.299 × 4 =
  30. 30.981 × 7 =
  31. 31.819 × 7 =
  32. 32.547 × 8 =
  33. 33.461 × 5 =
  34. 34.337 × 4 =
  35. 35.349 × 4 =
  36. 36.188 × 7 =
  37. 37.428 × 6 =
  38. 38.343 × 9 =
  39. 39.451 × 5 =
  40. 40.214 × 8 =

Answer key

  1. 970
  2. 7308
  3. 2376
  4. 4068
  5. 2796
  6. 1476
  7. 1835
  8. 2889
  9. 4672
  10. 3075
  11. 1176
  12. 7992
  13. 4167
  14. 2811
  15. 1071
  16. 3227
  17. 3162
  18. 1593
  19. 1832
  20. 852
  21. 4739
  22. 3069
  23. 7029
  24. 2005
  25. 1068
  26. 1128
  27. 3618
  28. 1580
  29. 1196
  30. 6867
  31. 5733
  32. 4376
  33. 2305
  34. 1348
  35. 1396
  36. 1316
  37. 2568
  38. 3087
  39. 2255
  40. 1712

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