Looking for a fun and rigorous way to review decimal operations? This Find the Error Decimal Operations Activity includes both a printable PDF version and a self-checking Google Sheets version, making it perfect for both in-person and digital classrooms!

Students will solve 8 decimal problems that include intentional mistakes. They must analyze the work shown, identify the error, and solve the problem correctly. In the digital version, each correct answer reveals an emoji that ties into a mystery movie theme—keeping students engaged and motivated!

Skills and Concepts Covered:

• Adding decimals
• Subtracting decimals
• Multiplying decimals
• Dividing decimals
• Rounding decimals
• Error analysis & critical thinking
  

What’s Included:

• Printable PDF version (task cards or worksheet format)
• Google Sheets version – fully self-checking!
• Student recording sheet for showing work
• Printable answer key for easy grading
• 8 high-quality, mixed-skill problems
• Built-in emoji reveal tied to a mystery movie for student engagement
  

Perfect For:

• 5th grade, 6th grade, or upper elementary review
• Math centers or stations
• Sub plans or emergency lessons
• Test prep & spiral review
• Early finishers
• Digital, hybrid, or paper-based learning