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### Course: Middle school math (India) > Unit 1

Lesson 8: Week 8- Adding decimals with ones, tenths and hundredths
- Addition of decimals
- Subtracting decimals: 9.005 - 3.6
- Subtraction of decimals
- Recognizing common 3D shapes
- Recognising 3D shapes
- Terms & labels in geometry
- Point, line, ray, line segment
- Perimeter: introduction
- Concept of perimeter

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