As learned in the previous chapters, numbers that start with Zero are called ‘Whole Numbers’, on the other hand, numbers that come naturally, such as 1,2,3, and so on are called ‘Natural Numbers’. But what if we tell you that there are numbers that are placed before zero? Baffled? Don’t worry. There are a group …
What is half of a number? Let’s say, you are asked to find out the half of 19865472. Well, that is a very big number. But then, to find its half we must divide it by 2, and this can be written as 19865472/2. In this type of number, we get a numerator which is …
Decimals are very interesting concepts. They empower your mind to think beyond boundaries. For instance, if we are told to find the exact half of 9, we may divide it by 2 and get an answer, which is 4.5. In this particular example, we came to know that some digits exceed beyond points, and these …
Suppose you have to make a list of all the books in your cupboard, or have to maintain a record of all the tasks you performed the previous week. How would you usually go about this then? It’s pretty simple. You will create a table and arrange all the names and numbers in the respective …
Did you know that the distance between the earth and the sun is approximately 149.12 million kilometres? This is interesting, but what is more interesting is how do scientists calculate this distance? Did they travel? The answer is with the help of the concept of ‘Mensuration’. It is a branch of mathematics concerned with ascertaining …
When we talk about math, we think of numbers and shapes. Do you know there is a branch of mathematics that deals with letters as well? Yes! You heard it correct. Algebra is a field of mathematics that contains alphabetical letters along with numbers. These letters are referred to as ‘Variables’ in the world of …
Let say, there are 15 boys and 10 girls in your class. If we divide the number of boys with girls, we get an expression which is 3/2. This is simple maths, but hold on. Why did we divide the numbers after all? The answer is to get the ratio. This ratio provides us with …
Take a piece of paper and draw an image of a butterfly. You will definitely draw it in such a way, that both sides of the butterfly will be an exact replica of each other. If you fold one-half of the butterfly on the other, they will exactly overlap each other. Such figures with evenly …
Ever wondered why every ice-cream cone is exactly the same in terms of design, length and volume? How do they do it? It’s simple. In Geometry, we use specific tools to design, construct and measure the shapes. In this way, we achieve the exact figure that we desire. In this chapter, we will learn how …
Numbers have helped us to count things easily. With the help of numbers, we can conveniently identify which collection of objects is bigger and arrange them in order. Numbers are used in many ways in different contexts. Calculations that deal with smaller numbers are easy and simple. But, is calculating bigger numbers as easy as …
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