Introduction Sunita’s mother has 8 bananas. Sunita has to go for a picnic with her friends. She wants to carry 10 bananas with her. Can her mother give 10 bananas to her? She does not have en
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Tag me with a sign We have seen that some numbers carry a minus sign. For example, if we want to show Ronald’s due amount to the shopkeeper we would write it as – 3. Following is an
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Let us understand this by the following figures. Let us suppose that the figures represent the collection of numbers written against them. Natural numbers Zero&nb
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Representation of integers on a number line Draw a line and mark some points at equal distance on it as shown in the figure. Mark a point as zero on it. Points to the right of zero are positive
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Ordering of integers Raman and Imran live in a village where there is a step well. There are in all 25 steps down to the bottom of the well. One day Raman and Im
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Addition of Integers Do This (Going up and down) In Mohan’s house, there are stairs for going up to the terrace and for going down to the godown. Let us consider the number of stai
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Addition of integers on a number line It is not always easy to add integers using coloured buttons. Shall we use number line for additions? (i) Let us add 3 and 5 on number line. Fig 6
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Subtraction of Integers with the help of a Number Line We have added positive integers on a number line. For example, consider 6+2. We start from 6 and go 2 steps to
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