13-(-8) represent the following subtraction on the number line
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Why do we use number lines?
A number line can also be used to represent both positive and negative integers as well. Writing numbers on anumber line makes comparing numberseasier. ... A number line can also be usedto carry out addition, subtraction and multiplication. We always move right to add, move left to subtract and skip count to multiply.
What is a number line example?
In math, a number line can be defined as a straight line with numbers placed at equal intervals or segments along its length. Anumber line can be extended infinitely in any direction and is usually represented horizontally.
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