Grade 6 Indonesia School Math Convex and Concave Quadrilaterals
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4. Integers
6. Fractions
7. Decimals
10. Unitary Method
13. Mensuration
14. Geometry
14.3. Types of Lines
14.5. Angle
14.6. Triangles
14.7. Curve
14.8. Polygon
14.9. Quadrilateral
14.9.1. Introduction to Quadrilaterals
14.9.5. Special Types of Quadrilateral
14.10. Circle
16. Linear Symmetry
17. Data Handling