Help your students master adding and subtracting positive and negative decimals with this step-by-step, differentiated lesson packet! This resource aligns with 7.NS.1 and builds conceptual understanding before moving into problem solving. Designed with flexibility in mind, this lesson supports both independent practice and Building Thinking Classrooms (BTC) strategies.

What’s Included // 2-day lesson!

• Guided Notes – Step-by-step instructions for rules of adding and subtracting positive and negative decimals -- shows a review of adding and subtracting integers & adding and subtracting decimals
• 3 Leveled Practice Sets (Mild, Medium, Spicy) – Students can work their way up, or teachers can assign by readiness
• Check Your Understanding worksheet - independent practice or homework
• Editable Versions – Customize practice problems and the exit ticket to fit your classroom needs
• Flexible Format – Use as a worksheet, stations, or BTC board work
• Exit Ticket – Quick check for mastery, homework, or formal assessment
• Answer Key – Easy grading or self-checking

Skills Covered:

• Adding and Subtracting Rational Numbers: Decimals Skill Rote Practice
• Solving real-world word problems involving adding and subtracting positive and negative decimals

Why You’ll Love It:

• Differentiated by Design – built-in scaffolding and 3 tiers of practice (Mild, Medium, Spicy)
• Visual First Approach – two different methods for rules introduced
• Flexible Use – great for whole-class instruction, BTC boards, small groups, or independent work
• Assessment-Ready – editable exit ticket doubles as a quiz, homework, or mastery check
• Engaging Progression – students move from visuals → guided practice → leveled problems → leveled practice → assessment

✨ With IVOLified Math, students don’t just memorize integer rules — they build deep understanding through visuals, leveled practice, and real-world problem solving.