describe how to configure a number line

Mathematics
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describe how to configure a number line and list its components (parts), identify the rules used with integers when adding, subtracting, multiplying and dividing and explain how to use a number line when adding and subtracting integers.”

May 21st, 2015

According to given question

When we add and subtract integers. if the numbers are both negative, add both together and the sign is negative. If the integers are both of them is positive, add them together and the sign is positive. If the signs are different, subtract and use the sign of the larger number 

When you want to add two integers with the same sign, it's just adding like normal. If they have different signs, you end up subtracting. For example, if you had (-42) - (+15), your answer would be -27. 

When you're subtracting with a positive and a negative integer, you end up adding. An easy way to determine this is that if you see two minus signs, then you add. For example, (-42) - (-15), your answer would be -27. 

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May 21st, 2015

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