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Book Manual CHAPTER 6 RATEAL QUALITY Lessons Lesson 1. Consequential Ratios — Equal Ratio Series Lesson 2. Proportional Quantities Lesson 3. Inversely Proportional Quantities Lesson 4. Practical Activities and Experience : Proportional quantities in practice Exercise at the end of chapter 6 CHAPTER 7 Algebraic Expressions Lesson 1. Numeric expressions, algebraic expressions Lesson 2. One-variable polynomials Lesson 3. One-variable addition and subtraction of polynomials Lesson 4. Multiplication and division of single-variable polynomials Lesson 5. Practical and experiential activities: How to calculate the semester grade point average Exercise at the end of chapter 7 CHAPTER 8 TRIANGLE Lesson 1. Angles and sides of a triangle Lesson 2. Congruent triangles Lesson 3. Isosceles triangle Lesson 4. Perpendicular and oblique lines Lesson 5. Orthogonality of a line segment Lesson 6. Properties of three orthogons of triangles Lesson 7. Triple properties the medians of the triangle Lesson 8. Properties of the three altitudes of the triangle Lesson 9. The properties of the three bisectors of the triangle Lesson 10. Practical and experiential activities: Making triangular flower arrangements to decorate the classroom Exercise at the end of chapter 8 CHAPTER 9 SOME FACTORS of Probability Lesson 1. Get acquainted with random events Lesson 2. Get acquainted with probability of random events Lesson 3. Practice and experiment: Jump on contact dice End of chapter 9 Glossary glossary Glossary lookup table