Need a free, no-prep way to help 5th graders do more than just correct decimal answers? This starter pack gives students 12 decimal error analysis task cards where they spot the mistake, explain the misconception, fix the work, and prove the corrected answer. Students practice the repeatable routine: Spot the Error -> Explain It -> Fix It -> Prove It. The pack is designed for decimal review, math test prep, intervention groups, partner work, centers, and quick reteach lessons before as