Math definitions for kids

Math definitions for kids:Addition means sum of two quantities. The sign used to do addition is ‘+ ‘.

If Joe has 2 black pencil and 3 blue pencil means then the total number of pencil is

2+3 that is 5 pencils.
Subtraction:

Subtraction means difference of two quantities. The sign used to do subtraction is ‘– ‘.

If Kayla has 5 rupees and she spent 2 rupees in a store then the amount she has left in a hand is 5-2 that is 3 rupees.
Division:

Division means sharing a number into equal parts. The sign used to do division is ‘/’.

If a mom has 6 chocolates and then if she wants to give those chocolates to 2 children means, then it is 6/2 that is 3 .So she will give 3 chocolates to each child.
Multiplication:

Multiplication means a number is added to itself a number of times. The sign used to do multiplication is ‘x’ or sometimes ‘*’.

2+2+2=6 which is same as 3 times 2 which is equal to 6.In maths we also learn multiplication with the help of time table chart.Hope you like the above example of Math definitions for Kids.Please leave your comments, if you have any doubts.

Factoring Quadratics

Factoring Quadratics:The explanation for factoring quadratics expressions,

Step 1: In the first step, the constant term must be identified.

Step 2: In the next step, the product term for the constant terms must be identified.

Step 3: Check whether the obtained product is equal to the sum of the co-efficient if x.

Step 4: Write the product of the obtained terms.Factors of 28 is one of the most commonly asked question under this topic.Hope you like the above example of factoring quadratic.Please leave your comments, if you have any doubts.

How many Triangles

How many triangles:A triangle is a geometrical figure formed by three lines, which intersect each other and which are not all concurrent.Let us now learn how many triangles are their altogether,Types of Triangle.There are three types of triangles they are: Equilateral triangle,Isosceles triangle and Scalene triangle.In equilateral triangle all the three sides are equal and all the angles are equal,in isosceles triangle two sides and their opposite angles are equal,in scalene all the three sides are not equal.While studying Triangles we usually come across congruent triangles too.Hope you like the above example of How many Triangles.Please leave your comments, if you have any doubts.

Area of Circle

Area of a Circle:

Draw a circle. Divide it into equal (even) sectors and arrange them in line as shown below.

This shape looks like a rectangle of length 'pr' and breath 'r' units
Let us now learn about the area of a circle in detail.
Area of the circle = Area of the rectangle

= length x breadth

= ∏ r x r

= ∏ r2 Sq. units
Next in this Blog let us look at the formula of the Areas of a circle.
Area of a circle Formula is ∏ r2 Sq. units

Area of a semicircle = 21 ∏ r2 Sq. units

Area of a quadrant = 41 ∏ r2 Sq. units.
The last topic that we will learn about in this area of the Circles Problems,and we will also see the various how we can solve these problems.
Problems related to area of A Circle:If the area of the sector of a circle is 60 sq. cm and the length of the arc of the sector is 12 cm, what is the radius of the circle?

Solution:
Area of the sector = 1 lr = 60 cm2
2

l = 12cm.
A = 1 x 12 x r = 60
2

6r = 60

r = 10 cm.

The radius of the circle is 10 cm.

Hope you like the above example of Area of a Circle.Please leave your comments, if you have any doubts.