Properties of Square Numbers 1. Square numbers from 1 to 20 in below table. Number Square Number Square 1 1 11 121 2 4 12 144 3 9 13 169 4 16 14 196 5 25 15 225 6 36 16 256 7 49 17 289 8 64 18 324 9 81 19 361 10 […]
Read More →Square and Square root Number Square Square root 1 12 √1= 1 2 […]
Read More →Cube of numbers 1 to 20 Number Cube Solution 1 13 = 1 x 1 x 1 1 2 23 = 2 x 2 x 2 8 3 33 = 3 x 3 x 3 27 4 43 = 4 x 4 x 4 64 5 53 = 5 x 5 x 5 125 6 […]
Read More →Is Zero an element of an empty set. To understand the zero is an element of an empty set, first we need to understand the difference between the empty set and zero. Difference between the empty set and zero For example, we take a set of two parallel lines AB and CD, and they intersect […]
Read More →Word Problems – Set Example 1: In a group of 60 people, 27 like tea, 42 likes coffee, and each person likes at least one of the two drinks. How many people like both coffee and tea. Solution: Let T denote the set of people who likes tea and C denote the set of people who likes coffee. […]
Read More →Practice test linear equation. Solve the following equations. (a) x + 3 = 5 (b) x – 3 = 5 (c) y +8 = 20 (d) x + 2 = 2x + […]
Read More →Symmetry Line in Numbers From 0 To 9 0 has 2 lines of symmetry 1 horizontal and 1 vertical. 1 has no symmetry line. 2 has no symmetry. 3 has one horizontal line of symmetry if we draw the top and bottom both equal size. 4 has no symmetry. 5 has no symmetry. 6 […]
Read More →Rules of Addition of like Terms In this lesson we will learn, how to add like terms. Rule 1: In an expression, when all terms are positive, add their coefficients and variables and power of like terms remains the same. Add like terms examples in expressions: Example 1: Add like terms 2pq, 5pq, and […]
Read More →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 […]
Read More →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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