134.2. Variable value.
Grade:
7
Subject
Algebra
Theme
Simple algebric expression transformation
Subtheme
Variable value
Solve tasks to find hidden Geo point coordinates
- Geometry: Angle, angle edges and peak, value, degree, measurement.
- Geometry: Angle, angle edges and peak, value, degree, measurement.
- Geometry: Narrow, wide, straight, extended, opened, full angle. Equal angles, bisector.
- Algebra: Opposite type inequalities.
- Algebra: Linear inequalities ax + b > 0, where a, b ∈ Q
- Algebra: Quadrant
- Algebra: Rational number
- Geometry: Point belongs (or not) to the straight line (beam, line segment), half-plane, crossed straight lines, beam, opposite beams, line segment, properties.
- Algebra: Monomial normal form
- Algebra: Identity.
- Algebra: Abscissa axis
- Algebra: Variable value.
- Algebra: Linear inequality solution
- Algebra: Ordinary and decimal fractions
- Algebra: Equation properties.
- Algebra: Numerical equalities.
- Algebra: Monomial normal form
- Algebra: Ordinary and decimal fractions
- Algebra: Notation –x < 3 or x ∈ (– ∞; 3)
- Algebra: Equation roots.
- Algebra: Contracted multiplication formula: addition and subtraction square; square difference.
- Algebra: Monomial normal form
- Geometry: Angle, angle edges and peak, value, degree, measurement.
- Algebra: Concept of equation.
- Algebra: Functions expression with formula, table, diagram
- Algebra: Diagram y = kx + b (drawing)
- Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.
- Algebra: Direct proportionality function y = kx
- Algebra: Connection concept
- Algebra: Percent and proportions
- Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
- Geometry: Point belongs (or not) to the straight line (beam, line segment), half-plane, crossed straight lines, beam, opposite beams, line segment, properties.
- Algebra: Coordinate beginning point
- Algebra: Connection concept
- Geometry: Point belongs (or not) to the straight line (beam, line segment), half-plane, crossed straight lines, beam, opposite beams, line segment, properties.
- Algebra: Mutually opposite monomials.
- Geometry: Concept definition, concept sign.
- Algebra: Function y = x²
- Algebra: Numerical equalities.
- Geometry: Equal figures, line segments, lengths, midpoints, distance between two points.
- Algebra: Polynomial opposite polynomial.
- Algebra: Concept of equation.