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Subtraction of Integers
Subtraction is just the inverse of addition. To subtract integers, you just have to change the subtraction problem into an addition problem, then perform the "Keep, Change, Change" method.
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Addition of Integers
To add integers using the number line, always start at zero and move n units to the right if the number is positive and n units to the left if the number is negative.
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Number of Regions Formed by Connecting Points on the Perimeter of a Circle
This mathematical investigation generally aimed to develop a mathematical formula to calculate the number of regions formed by connecting the points on the perimeter of a circle. Specifically, this investigation aimed to observe some patterns that will help the investigator develop a conjecture.
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The Language of Mathematics
Mathematical language is a system used to express, communicate and convey mathematical information. It is distinct and unique from the usual language that people are used to and is used to communicate abstract and logical ideas. Mathematical language is characterized by abstraction symbols and rule.
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Fibonacci Sequence and Binet's Formula
Fibonacci Sequence is popularized in Europe by Leonardo of Pisa, famously known as Leonardo Fibonacci. The nth term of a Fibonacci sequence is found by adding up the two Fibonacci numbers before it. But how can we find the nth term of a Fibonacci sequence without it's two preceding terms?