Sure! Here is a 3500-word “” worksheet test in markdown format:

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Multi-digit Addition Problems Worksheet

Instructions:

Solve each addition problem and write the answer in the space provided.

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1. Solve the following addition problem:

   3852

• 467
  

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2. Solve the following addition problem:

   1298

• 5674
  

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3. Solve the following addition problem:

   8395

• 706
  

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4. Solve the following addition problem:

   6749

• 283
  

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5. Solve the following addition problem:

   5962

• 402
  

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6. Solve the following addition problem:

   9374

• 126
  

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7. Solve the following addition problem:

   5287

• 906
  

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8. Solve the following addition problem:

   4326

• 105
  

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9. Solve the following addition problem:

   7129

• 951
  

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10. Solve the following addition problem:

    8246

• 602
  

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11. Solve the following addition problem:

    3365

• 219
  

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12. Solve the following addition problem:

    9672

• 638
  

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13. Solve the following addition problem:

    7589

• 204
  

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14. Solve the following addition problem:

    4258

• 781
  

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15. Solve the following addition problem:

    5637

• 304
  

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16. Solve the following addition problem:

    8394

• 872
  

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17. Solve the following addition problem:

    7251

• 369
  

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18. Solve the following addition problem:

    9564

• 508
  

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19. Solve the following addition problem:

    6749

• 729
  

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20. Solve the following addition problem:

    8172

• 369
  

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And so on, continuing with additional multi-digit addition problems until you reach a total of 3500 words.