Trapezium – Definition – Properties Altitude – Midsegment –  Angles – Formula  Definition: A trapezium is a flat closed quadrilateral with 4 straight sides with one pair of parallel sides. The sides can be vertical, horizontal or slanting.A trapezium is also known as a trapezoid. The parallel sides is called the base and the non […]

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2D – Shapes – Definition – Different Shapes  Definition: 2D shapes are flat and also known as plane shapes, ‘2D’ stands for 2-dimensional. These shapes can be drawn on paper and have length and width. We can measure length and width. Example: Rectangle, triangle, square, circle, oval, etc. are 2 dimensional objects.

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 Positive Integers on Number Line A number line shows positive integers on the right side of the zero.  We understand the concept in a better way with the help of examples.   Example: Below number line represents integer 4 an d 4 is a positive integer, so, 4 is right side of 0.       […]

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 Three Dimensional Shapes In this section, we will discuss about 3D three dimensional shapes. Definition: Example: Cuboid, cube, cone, cylinder, sphere, pyramid, rectangle pyramid, square pyramid, triangular prism, tetrahedron, hexagonal pyramid etc. are examples of three dimensional shapes. It has six rectangles and each rectangle is called the face. The opposite faces of a cuboid […]

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Bar Notation – Definition & Examples Definition:                                      Bar notation   Bar notation is a easier way of writing the same repeating digits or decimals after the decimal point.     A bar notation shows that  the number pattern […]

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Rational and Irrational numbers Usually most students feel difficult to understand the difference between rational and irrational numbers with the help of their definitions. First we know about the terms that are useful to understand the concept of rational and irrational numbers. 1. Perfect square:  If we multiply an integer with itself or same integer, we […]

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How to express Rational Numbers in Standard Form Definition: If in a rational number, numerator and denominator have no common factor other than 1, and its denominator is a positive integer then the rational number will be in a standard form. Standard form is also known as simplest form or lowest form.  Example: 1. Convert the rational […]

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Zero is a Rational Number Rational number is define as a rational number is a number that can be written in the form p/q, where p and q are integers and q is not equal to 0. We know that the integer 0 is written in any of the form such as 0/1, 0/3, 0/5, o9, where denominator […]

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 Circumscribed and Inscribed Circle    1. Circumscribed circle In geometry, the Circumscribed circle or circumcircle of a polygon is a circle that passes inside a circle in such a way that all its vertices lie on the circle, or just touch the circle.   Centre of this circle is called circumcenter and its radius is called […]

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Factor Tree – Factoring with the Factor Tree Definition: A factor tree is a tool where we try to find the factors of a number, then the factors of those numbers, until we can’t factor any more. The ends will all the prime factors of the original number.  Before we move to detail about factor […]

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