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Two-digit addition and subtraction within 100 for second graders, with answer key.
A mixed second-grade worksheet with two-digit addition and subtraction within 100. Practicing both operations together strengthens number sense. An answer key is provided for easy grading.
Click "Download PDF" to save the worksheet, or "Open & Print" to print it directly. Each worksheet includes an answer key on the last page for easy grading. Want unlimited practice on screen? Try our free interactive Math Practice tool, which generates new problems every time.