I think the the question is pretty self explanatory.
With positive numbers you can let’s say put 3 balls in a box and there you have it, a representation of the positive number 3.
Same goes with 0, a box with 0 balls represent the amount 0.
But how do you do that with a negative number?
In: 0
easiest is probably height, for visualization I like to use “heigh above water”.
when I stand on the shore my head is ~ 2m above the water.
when I dive, it’s now “-1m above” the water, or “1m below” the water
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