Sivukartta Sulje Maths Grade 8 1. Decimal numbers and significant figures 2. Calculating with decimal numbers and rules for rounding 3. Powers & Standard Form 1. The product of powers with the same base 2. The quotient of powers with the same base and the zero exponent 3. The power of a power 4. The negative exponent 5. The power of a product Pictures 6. The power of a quotient 7. Scientific expressions Background: Atoms 8. Calculating powers with a calculator 9. Numeral systems Background: The development of numeral systems 10. Variable expressions 11. Polynomials Pictures 12. Combining and arranging terms Pictures 13. Adding and subtracting polynomials 14. Multiplying a monomial by a monomial Pictures 15. Multiplying a polynomial by a monomial Pictures 16. Multiplying a polynomial by a polynomial Pictures 17. Revision Pictures 4. Percentages as decimals Images 5. Calculating percentages 6. Additions and reductions as percentages Value-added tax 7. Compound interest 8. Changes and comparisons as percentages 9. Unknown base value 10. Revision 11. Lengths and perimeters Background: The SI system and ISO Pictures 12. Units of area Pictures 13. Areas of triangles, parallelograms and trapeziums Pictures 14. The circumference and area of a circle How does the Earth orbit the Sun? 15. The arc and sector of a circle 16. Ratio 17. Proportional Distribution (Dividing in a given ratio) 18. Proportions 19. Direct proportion Mathematical models 20. Inverse proportion 21. 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 16. Revision 23. Lines 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 Preliminary test I (Chapters 1–7) Images 24. Expressions and functions 1. The function machine 2. The definition of a function Images 3. The graph of a function Images 4. Linear polynomial functions Images 5. The x-intercept of a function Images 6. Piecewise functions * Images 7. From observations to functions * Images 8. Number sequences The Fibonacci sequence Images 9. Arithmetic number sequences Images 10. Geometric number sequences Images 11. Solving an inequality graphically Images 12. Solving a pair of inequalities* Images 16. Revision Images Preliminary test Images