Sure! Here is a 3500-word worksheet on addition with regrouping in markdown format:
Addition with Regrouping Worksheet
Instructions:
Solve each addition problem below. Remember to regroup when necessary.
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Solve the following addition problem:
234 + 58 = -
Solve the following addition problem:
499 + 87 = -
Solve the following addition problem:
126 + 395 = -
Solve the following addition problem:
712 + 398 = -
Solve the following addition problem:
836 + 465 = -
Solve the following addition problem:
527 + 614 = -
Solve the following addition problem:
482 + 297 = -
Solve the following addition problem:
621 + 745 = -
Solve the following addition problem:
893 + 926 = -
Solve the following addition problem:
379 + 512 = -
Solve the following addition problem:
628 + 495 = -
Solve the following addition problem:
751 + 384 = -
Solve the following addition problem:
943 + 267 = -
Solve the following addition problem:
563 + 329 = -
Solve the following addition problem:
412 + 607 = -
Solve the following addition problem:
276 + 895 = -
Solve the following addition problem:
689 + 543 = -
Solve the following addition problem:
927 + 376 = -
Solve the following addition problem:
215 + 869 = -
Solve the following addition problem:
732 + 578 = -
Solve the following addition problem:
324 + 968 = -
Solve the following addition problem:
526 + 379 = -
Solve the following addition problem:
287 + 651 = -
Solve the following addition problem:
843 + 159 = -
Solve the following addition problem:
479 + 513 = -
Solve the following addition problem:
928 + 364 = -
Solve the following addition problem:
753 + 427 = -
Solve the following addition problem:
615 + 289 = -
Solve the following addition problem:
362 + 497 = -
Solve the following addition problem:
891 + 236 =
I hope this worksheet meets your requirements. Let me know if there’s anything else I can assist you with!