# 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

- Albraic fraction.
- Irrational numbers.
- Optical phenomena in nature.
- Air composition and usage(reactions).
- Accessories and equipment in laboratory.
- Laboratory tableware and accessories.
- Circumference indrawn triangle, centre point of drawn around circumference.
- Rational fraction expression.
- Proportions, percent
- Rational expression.
- Amplitude
- Square root
- Acids, bases and salts chemical formulas and names.
- Sounds characteristics.
- Pressure.
- Pythagorean theorem. Right angled triangle signs.
- Mass and density.
- Pythagorean theorem. Right angled triangle signs.
- Square trinomial distribution into multipliers
- Sounds reception.
- Substances oxidation process and reactions.
- Square trinomial splitting into multipliers
- Quadratic equation discriminant
- Lighting and safety.
- Quadratic equation discriminant
- Actual numbers.
- Amount of substance
- Algebraic expression transformation.
- Absolute and relative mistake of approximation
- Amount of heat.
- Numerical approximation.
- Relative frequency
- Light reflection and mirrors.
- Diameter, which is perpendicular to chord, properties.
- Measurement
- Triangles and trapezes midline.
- Spread of heat.
- Heat expanding.
- Absolute and relative mistake of approximation
- Movement diagram.
- Gravitation, friction and deformation.
- Quadratic equation