Exercise 3 1 L 9

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http://youtube.com/watch?v=2L4ku2B2zpM

This video describes the complete basic understanding of Class 7 Mathematics in bilingual manner along with exercise problems solutions and descriptions. Integers, Fractions Decimals, Data Handling, Simple Equations, Lines and Angles, The Triangle it’s properties, Comparing quantities, Rational numbers, perimeter and area, algebraic expressions, exponents powers, symmetry and visualizing solid shapes . The subtopics to be covered in this class are:- PROPERTIES OF ADDITION AND SUBTRACTION OF INTEGERS, Closure, commutative and associative property of Whole Numbers and Integers under addition, subtraction, multiplication division., Additive inverse, additive identity, multiplicative inverse and multiplicative identity, multiplication by zero, multiplication of positive and negative integers. Multiplication and division of fractions by whole number, by fractions. Multiplication and division of decimal numbers. Average, Arithmetic Mean, Range, Median and Mode of data, Bar Graph. Simple equations, adding and subtracting, transposing, application of simple equations to practice problems, Complementary angles and supplementary angles, Intersecting lines, parallel lines, transversal, angles made by transversal, interior angle, exterior angle, corresponding angle, opposite angles, alternate angles, checking of parallel lines. Medians and altitude of triangles, Exterior angles of triangle and it’s properties, angle sum property of triangle, equilateral and isosceles triangle, Right angled triangle and Pythagoras property. Percentage, converting fractions to percentage and converting percentage to fractions, converting decimals to percentage, ratios to percentage, increase and decrease in percentage, simple interest, profit and loss as percentage. Positive and negative rational numbers, numerator and denominator, rational numbers on number line, rational numbers in standard form, comparison of rational numbers, rational numbers between two rational numbers, operations on rational numbers;- addition, subtractions, multiplication and division. Area and perimeter of triangle , parallelogram, circumference and area of circle. Expressions, like and unlike terms, monomial, binomial, polynomials, finding the value of an expression, exponents and powers, laws of exponents, decimal number system, expressing large numbers in the standard form. Symmetry, lines of symmetry for regular polygons, rotational symmetry. Cube, cuboid, cylinder, sphere, pyramid, cone. Faces, edges and vertices of solids, angle of view for visualizing the solids front view, top view. • For more information visit at: - #DwizConcepts • / @dwizconcepts • Basic Electricals lectures link:- • • Basic Electricals DC AC with Networ... • Engineering Mathematics lectures link:- • • Engineering Mathematics • Polity lectures link:- • • Polity • History lectures link:- • • History Class 6 • 10th class Mathematics lectures link:- • • 10th Mathematics • Geography through maps:- • • Sair Sapata • 6th class Mathematics lectures link:- • • 6th Class Mathematics • 11th class Mathematics lectures link:- • • 11th Class Mathematics • 12th class Mathematics lectures link:- • • 12th Class Mathematics • World History lectures link:- • • World History • UPPCS Series link:- • • UPPCS Series • 8th class Mathematics lectures link:- • • 8th Class Mathematics • 7th class Mathematics lectures link:- • • 7th Class Mathematics • Economy lectures link:- • • Indian Economy • International Relations lectures link:- • • International Relations

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