The inverses of these numbers are: +4 → –4 –4 → +4 –3 → +3 0 → 0 +2 → –2 –1 → +1 An inverse changes the number’s sign while keeping its magnitude the same. class 6 Mathematics Textbook Chapter ...
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Starting at Floor +2, pressing the ‘–’ button three times lowers the lift by three floors. The lift moves from +2 to +1, then to Floor 0, and finally to Floor –1, where the Toy Store is located. Class 6 NCERT ...
The ground floor of Bela’s Building of Fun is the Welcome Hall, where visitors enter. It is called Floor 0 because it is the reference point, with positive-numbered floors above and negative-numbered floors below. Class 6 Mathematics Ganita Prakash The Other ...
Brahmagupta’s rules can be explained as follows: Adding positives moves right on the number line, adding negatives moves left, and adding opposite numbers cancels out. In Bela’s Building, pressing + moves up, while pressing – moves down. Class 6 Mathematics Chapter ...