Sara says "−n" is always a negative number, because it has a minus sign in front
Sara says "−n" is always a negative number, because it has a minus sign in front. Her brother says if n is itself negative, then −n becomes positive. Who is right?
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Start thinking on Socho →More disagreements in The Other Side of Zero
Comparing two bank balances, -50 and -3, Zara says -50 is the bigger number because 50 isTrying to work out 5 − 8, Om says it has no real answer, because you can't take away moreTo work out -5 + 3, Neel adds the digits and keeps the negative sign, getting -8Ved says 5 − (−3) will be less than 5, because subtracting always makes a number smallerA hiker's position is recorded as -20m (20m below base camp) and another hiker is at -5m