# Location: **N° ` .", E° ` ."**

To define the coordinates of this point, you have to solve the tasks, that are hidden under the question marks.

Suitable for: Grade 8th

- Rational fraction expression.
- Research of movement.
- Circle, their elements. Secant.
- Waters chemical properties and formation.
- Average arithmetical
- Archimedes law.
- Proportions, percent
- Optical phenomena in nature.
- Triangle in a circle, outlined circle lines center location.
- Sounds reception.
- Substances physical properties and transformations.
- Albraic fraction.
- Square trinomial roots
- Fraction addition and subtraction.
- Gas volume calculations.
- Square root
- Sounds characteristics.
- Different size units.
- Gravitation, friction and deformation.
- Formula y = k/x
- Archimedes law.
- Acids, bases and salts chemical formulas and names.
- Rational fraction expression.
- Mass and density.
- Right-angled triangle outlined circle lines center location.
- Moda
- Chemical reaction equation.
- Substances structure.
- Substance oxidation process and reactions.
- Circumference indrawn in triangle, location of its centre.
- Different size units.
- Formula y = k/x
- Lighting and safety.
- Research of movement.
- Function y=√x
- Quadratic equation
- Trapeze, elements, trapeze types, trapeze properties, isosceles trapeze signs.
- Chemical transformation signs. Chemical transformation causes and process.
- Absolute and relative mistake of approximation
- Square root extraction
- Parallelogram, its elements. Parallelogram properties and signs
- Parallelogram, elements. Properties and signs.