Sivukartta Sulje Math 8 Part II: Lines and proportionality 1. Drawing a line Images 2. Defining the intersection of two lines 3. Determining the slope of a line 4. The slope-intercept form y = kx + b 5. The general form of a line 6. Forming the equation of a line 7. Parallel and perpendicular lines Images 8. Speed calculations 9. Ratio 10. Proportional distribution 11. Proportions 12. Direct proportionality Mathematical models 13. Inverse proportionality 14. Revision Preliminary test I (Chapters 1–7) Images Preliminary test II (Chapters 8–13) Part III: 2D geometry 1. Congruent and similar figures 2. Scale Mapping methods 3. The similarity of triangles 4. The golden ratio Where does the golden ratio occur? 5. Reflection with respect to an axis Shape and symmetry 6. Reflection with respect to a point 7. Rotation and translation Images 8. Square root 9. Calculating square roots 10. The Pythagorean theorem Images 11. Applications of the Pythagorean theorem 12. The circumference and area of a circle How does the Earth orbit the Sun? 13. The arc and sector of a circle 14. The tangent angle of a circle 15. The inscribed and central angles of a circle 16. Revision Preliminary test (Chapters 1-15) Tables and formulas
