# 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 9th

- The development of transport
- Probability
- Equivalence
- Function concept recess: growth-decrease; biggest-smallest value;value interval.
- Quadratic function y = ax² + bx + c concept
- Obtaining metal from oxides. With chemical reaction equations.
- Inequality systems
- Regular polygon, perimeter and area. Regular polygon indrawn circle, regular polygon indrawn in a circle.
- Quotient
- Interval methodes in inequalities
- Electrical circuit characteristics and Ohms law in circuit.
- Hydrocarbon combustion. Calculations with chemical reaction equations.
- Arithmetic progression
- Electrosafety.
- Variation, combination
- Quadratic function y = ax² + bx + c concept
- Variation, combination
- Energy usage in everyday life
- Combinatorics
- Function concept recess: growth-decrease; biggest-smallest value;value interval.
- Triangle, parallelogram, diamond area formulas, through narrow angle sine value.
- Difference
- peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
- peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
- Fraction inequalities
- Calculations by chemical reactions.
- Triangle similarity signs.
- Equation with two unknowns (either 1 or 2 degree)
- Difference
- peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
- Variation, combination
- Numerical chain concept
- Organic substance transformation.
- Elements in suns system.
- Difference
- Electromagnetic waves in nature
- Quadratic function y = ax² + bx + c concept
- Interval methodes in inequalities
- Combinatorics
- Function concept recess: Function root; growth-decrease; biggest-smallest value; value interval.
- Metal chemical properties.