The tally marks I'm familiar with cannot have negative numbers because they are used to count real things and there cannot be a negative apple
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Tally Marks? |ιι
Tally marks are a type of counting using vertical lines. One line means one, two means two, three means three, four means four, and then for the fifth line, it would go diagonal across the previous four lines, which would be five.
Draw a straight line and in the middle mark the zero position. Now make even marks leading away from that point. Call one direction positive numbers and the other negative numbers. Usually horizontal lines have positive numbers going to the right and vertical lines have them going up. Conversely down or to the left are negative numbers.
tally are these kind of stripes that represent numbers. For example one stripe is equal to 1 two tally stripes is equal to two etc when you come to five you have to put a diagonal line across the stripes. In frequency tables you just use numbers 1,2,3 etc
The product of three negative numbers is negative.