Pizza is one of the most loved foods around the globe. But did you notice the shape of a pizza slice? This shape is a triangle. What do we mean by triangle? A triangle is a closed figure formed by three straight lines. It is made up of three angels and three vertices. The sum …
Place your left palm over your right palm. Now closely observe. All fingers of your left palm are as same as your right palm. Such an exact similarity is referred to as the ‘property of Congruence’ in geometry. The property of congruence can be studied by closely observing different shapes and figures. In this chapter, …
Understanding the difference between any two quantities is very important. The distinction helps us to identify which quantity is bigger and which is smaller. In this chapter, we will understand how to compare quantities, based on different factors. Here, we will learn about the profit-loss calculations, the percentage calculations and simple interest. This chapter will …
Numbers that start from zero are called as ‘Whole Numbers’. Numbers that come naturally are called as ‘Natural Numbers’. Numbers that are the combination of positive and negative numbers are called as ‘Integers’. We have learned all of these in our previous lessons. In this chapter, we will understand ‘Rational Numbers’. These are the numbers …
Previously, we had learned how to construct an angle, along with the bisectors. In this chapter, we take you a step further into understanding how geometrical tools can be used to construct geometrical shapes and figures. To begin with, you will be introduced to the concept of a Triangle. Moving forward, you will uncover some …
Can you answer the following questions: How big is the surface of your house? Or how big is our country? In order to understand the surface that is occupied by a specific item, it becomes necessary to find its area. An area of an item is the size of the surface that it has occupied. …
How would you find an answer for the following given problem: 99 + _____ = 130. In Algebra, we make use of an ‘Algebraic Expression’, while solving these types of question. In this case, we may take the blank value as ‘X’ or any letter of your choice. An algebraic expression helps us to complete …
Read this story carefully. Once upon a time, a king was very happy with the inventor of Chess and asked him to demand anything in return. The inventor humbly said, just place a single grain of rice in the first square of the chessboard. Then two grains on the second square, four grains on the …
Open a notebook, and carefully observe the right-hand side and the left-hand side of it. You will observe that both parts are exactly the same. We can say they are symmetrical. Now there is a dividing line between the left side and the right side, that’s called the axis of symmetry. If you observe carefully …
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 …
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