Shapes like squares, rectangles, rhombus, parallelogram are all Quadrilaterals. And what is a quadrilateral? We have already studied this in the previous grades. Quadrilaterals are the shapes that have 4 sides, 4 angles, and 4 vertices. Want to know what conditions will categorize a quadrilateral as trapezium or a rhombus? Follow our videos to explore …
Wondering why this chapter is named as the area of parallelogram and triangle? What is the relation between them? To your surprise, a parallelogram is made from at least two triangles! Does it help us in any way? It surely does. Based on this, we can easily find the area of a parallelogram. There are …
The wheel is considered as one of the best inventions made by the humankind. As you may know, the wheel is circular in shape. So it was the concept of a circle which is making our life easier in every field. Without that, we won’t have been reaching to great distances. If you have a …
Things look far different in real life as against their pictorial depictions. It is because pictorial depictions, make us understand the architecture of any design or structure in a specific way. To understand the architecture, it is necessary for us to be equipped with the knowledge of using specific tools and constructing the shapes. In …
In our previous grades, we learned the formula to calculate the area of the triangle. Can you recall that? ½ (Base x Height). Let’s consider a triangle. The sides of the triangle measures, 4 cm, 3 cm and 6 cm. Now, can you calculate the area? By using the above formula, we cannot. So what …
Can you tell what is the difference between the surface area and the total surface area of any shape? Both sound the same, right? So why do we have two different formulae for these? You will know the answers to these questions yourself, once you start observing shapes and figures closely. In this chapter, we …
How do we know that the average rainfall the city received in July is 460mm? Or How can we conclude that China has the largest population in the world? Mathematics helps us. A field of mathematics called ‘Statistics’ does the work. Statistics assist us in the collection of data, analysing it, and further interpreting it, …
If we ask a cricket captain, to what are the chances that his team will win the game, he might turn up and say ‘50%’. This means there are 50% chances of winning and 50% chances of losing the game. The captain assumes this by taking into consideration all the aspects of the team playing …
Who doesn’t hate division of numbers? The decimals are unending. The numbers keep on increasing. Everything goes southwards if we miss a single point in between the steps. But what if we tell you there is a trick to make things simple? What if we tell you that you can identify which numbers can be …
We have learned and studied different types of numbers in our previous grades. They are natural numbers (starting from 1), whole numbers (starting from 0), integers (the combination of positive and negative numbers). In this chapter, we will study the Rational Numbers. Rational Numbers as we know are any numbers expressed in fraction, i.e in …
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