Алгебра

Algebra: formulas, addition, subtraction, multiplication, division, solving equations

Our application is video lessons on algebra for grades 7-11 from the best teachers in the country. We will teach children to solve algebraic problems and equations from scratch, and apply mathematical formulas and rules.

Algebra video lessons are an effective learning tool because visual and audio materials help students better understand and remember complex concepts and problem-solving techniques. They can also be useful for self-study or for preparing for math exams.

Algebra 7th grade

Natural numbers and operations with them

Degree of

Prime and composite numbers

Common fractions

Periodic decimals.

Decimal expansion of rational numbers

Irrational numbers.

Basic properties of real numbers

Number approximations

Length of the segment. Coordinate axis

Real numbers

Numeric Expressions

Literal expressions

The concept of a monomial

Product of monomials

Standard form of monomial

The concept of a polynomial. Properties of polynomials

Polynomials of standard form

Sum and difference of polynomials

Product of a monomial and a polynomial

Product of polynomials

Whole expressions

Numeric value of an integer expression

Monomials, polynomials

Square of the sum

Squared difference

Selecting a complete square

Difference of squares

Sum of cubes. Difference of cubes

Cube of sum. Difference cube

Application of abbreviated multiplication formulas

Abbreviated multiplication formulas

Algebraic fractions and their properties

Numeric value of rational expression

Identical equality of rational expressions

Algebraic fractions

The concept of a degree with an integer exponent

Standard type of number

Converting rational expressions

First degree equations with one unknown

Solving linear equations with one unknown

Solving problems using linear equations

First degree equations with two unknowns

Systems of two equations of the first degree with two unknowns

Equivalence of equations and systems of equations

Solving systems of two linear equations in two unknowns

Solving problems using systems of first degree equations

Linear Diophantine equations

Linear equations

Algebra 8th grade

Concept of function and function graph

Solving equations graphically

Rational expressions

The main property of a fraction. Reducing Fractions

Adding and subtracting fractions

Multiplying fractions. Exponentiation

Division of fractions

Converting rational expressions

Rational fractions

Rational numbers

Irrational numbers

Square roots

Finding approximate square root values

Square root of a product and a fraction

Square root of a degree

Extending the multiplier beyond the root sign

Converting expressions containing square roots

Square roots

Quadratic equations. Incomplete quadratic equations

Formula for the roots of a quadratic equation

Solving problems using quadratic equations

Solving the reduced quadratic equations. Vieta's theorem

Solving fractional rational equations

Solving problems using rational equations

Equations with parameter

Quadratic equations

Numerical inequalities. Properties of numerical inequalities

Addition and multiplication of numerical inequalities

Error and accuracy of approximation

Sets of numbers

Intersection and union of sets

Numeric intervals

Solving inequalities with one variable

Solving systems of inequalities with one variable

Proof of inequalities

Inequalities

Properties of a degree with an integer exponent

Standard type of number

Collection and grouping of statistical data

Degree with an integer exponent. Elements of statistics

Algebra 9th grade

Function. Function Domain

Function Range

Function Properties

Square trinomial and its roots

Factoring a quadratic trinomial

Functions and their properties, quadratic trinomial

Graphing a Quadratic Function

nth root

Fractional linear function and its graph

Power with rational exponent

Quadratic function. Power function

The whole equation and its roots

Fractional rational equations

Equations with one variable

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Algebra 10th grade

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Algebra 11th grade

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