Grade 9 Maths NCERT

Number Systems: Real Numbers: Introduction: We are familiar with the number systems such as: N = set of natural numbers = {1,2,3,4,5,6,7,8,9,.     } W = set of whole numbers = {0,1,2,3……,9,…         } I or Z = set of Integers = {….-3,-2,-1,0,1,2,3,….} The relationship of these sets of numbers can be pictorially represented as shown below: […]

Sphere

This is a blog about calculating surface area and volume of a sphere with few examples that will clear your concepts.

BODMAS

Brackets:eg. 4² + (7 + 3) ÷ 4 – 8 = 4² + 10 ÷ 4 – 8 Order:eg. 3² + 10 ÷ 5 – 8 = 9 + 10 ÷ 5 – 8 Division/Multiplication:eg. 16 + 10 ÷ 5 – 7 = 16 + 2 – 7 Addition/Subtraction:eg. 16 + 2 – 8 = 10

Sound

Sound, a mechanical disturbance from a state of equilibrium that propagates through an elastic material medium. A purely subjective definition of sound is also possible, as that which is perceived by the ear, but such a definition is not particularly illuminating and is unduly restrictive, for it is useful to speak of sounds that cannot be heard by the human ear, such as […]

Online Tuition class

Online Tuition class BENEFITS You may tend choose us for several reasons, though, underlining some, ‘The Vinay Online Classes’ has committed colleagues who’re rationale is to display your occasion’s idea in front of audience in a way that it gets conveyed in the correct heading, to the opportune individuals in a quality and engaging way. […]

ONLINE CLASSES

ONLINE CLASSES You may tend choose us for several reasons, though, underlining some, ‘The Vinay Online Classes’ has committed colleagues who’re rationale is to display your occasion’s idea in front of audience in a way that it gets conveyed in the correct heading, to the opportune individuals in a quality and engaging way. For doing […]

Online classes for Maths

Online classes for Maths You can contact us for more details at     +919581441940          You may tend choose us for several reasons, though, underlining some, ‘The Vinay Online Classes’ has committed colleagues who’re rationale is to display your occasion’s idea in front of audience in a way that it gets conveyed […]

Online classes in Lucknow

Online classes in Lucknow   You may tend choose us for several reasons, though, underlining some, ‘The Vinay Online Classes’ has committed colleagues who’re rationale is to display your occasion’s idea in front of audience in a way that it gets conveyed in the correct heading, to the opportune individuals in a quality and engaging […]