Solve the Riddle Answer Key

This worksheet combines regrouping practice with a fun mystery riddle. Students solve each addition or subtraction problem, then use a letter-matching code to reveal the final answer to the riddle. This adds motivation and engagement while reinforcing multi-digit regrouping accuracy and problem-solving independence.

Curriculum-Matched Skills

Multi-Digit Addition and Subtraction

Regrouping Across Place Values

Problem Solving with Codes and Matching

Accuracy and Error Checking

This worksheet is part of our Addition and Subtraction with Regrouping Worksheets collection.