2621.1. Variation, combination
Grade:
9
Subject
Algebra
Theme
Combinatorics, probability theory elements
Subtheme
Variation, combination
Solve tasks to find hidden Geo point coordinates
- Geometry: Similar triangles perimeter and similar triangle areas ratio.
- Physics: The development of transport
- Physics: The transformation of energy.
- Algebra: Concept of numerical chain
- Physics: Electromagnetic wave formation and spread.
- Geometry: Triangle similarity signs.
- Physics: Simple mechanisms.
- Algebra: Equation system concept
- Physics: Electromagnetic waves in nature.
- Algebra: Equation system concept
- Physics: Universe research methodes
- Physics: Energy usage in life.
- Algebra: Geometric progression
- Geometry: Prism, pyramid, cylinder, cone height, basis. Cylinder and cone generatrix.
- Algebra: Variation, combination
- Algebra: General element
- Physics: Electrification of a body and interaction of bodies electrification.
- Chemistry: Metal chemical properties.
- Physics: Electrification of a body and interaction of bodies electrification.
- Algebra: Operations with algebraic fractions
- Physics: Electrical connection usage.
- Geometry: Triangle, parallelogram, rhombus area formulas, through narrow angle sine value.
- Geometry: Circle area, sector its area, segment.
- Algebra: Equation with two unknowns (either 1 or 2 degree)
- Geometry: Line segment ratio.
- Algebra: Interval methodes in inequalities
- Physics: Processes in stars.
- Algebra: Probability
- Algebra: General element
- Physics: Universe structure.
- Algebra: Equivalence
- Geometry: Construction task and solution.
- Physics: Universe research methodes.
- Geometry: Triangle, parallelogram, rhomb area formulas using narrow angle sine value.
- Physics: Labour and energy.
- Chemistry: Organic substance transformation.
- Algebra: Equation diagram
- Algebra: Operation with algebraic fractions
- Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
- Chemistry: Hydrocarbon combustion. Calculations with chemical reaction equations.
- Algebra: Arithmetic progression
- Chemistry: Natural substances and products.