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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 ... Algebra 10th grade ... Algebra 11th grade ...