What is a number line, how does it look, why we need them?
Number line A number line is an imaginary line which represents 0 in the middle of the line, positive numbers on the right side of 0 and negative numbers on the left side of the line. It's a never ending line and thats why it is represented by arrows on both sides. This is how a number line is represented, Why do we need them? It's easy to visualise numbers in terms of distance. Many times it helps in doing addition, subtraction in better way. Please note: For both positive and negative numbers, the more the number is towards right side of the number line the bigger it is , for example 6 is on right of 5 in number line so it's bigger similarly for negative numbers, the more the number is towards right the bigger it is, for example -1 is on right of -3 in number line so it's bigger. Understanding number line with real life example If you get confused about it in exam or anytime think of it with this example; Say you have 100$ with you. Say ne...
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