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# Integers

## on Oct 29, 2011

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## IntegersPresentation Transcript

• INTEGERSIntegers form a bigger collection of numberswhich contains whole numbers andnegative numbers. For example-…-4, -3, -2,-1, 0, 1, 2, 3….
• TYPES OF INTEGERSPOSITIVEINTEGERS- 1, 2, 3,4…i.e. the natural numbersare called positive integers.NEGATIVEINTEGERS- -1, -2, -3,-4… are called negativeintegers.On a number line points tothe right of zero arepositive integers and thepoints to the left of zeroare negative.
• ZEROZero is neithernegative norpositive. It isgreater thanevery negativeinteger andsmaller thanevery positiveinteger.
• MATHEMATICAL APPLICATIONS OF INTEGERSThe sum of two integers is also an integer.Example: -5 +7=+2The difference of two integers is also an integer.Example: +8-(-4)=8+4=12The product of two positive integers is alwayspositive. Example:+8 x +4 =32The product of two negative integer is alwayspositive. Example: -3 x -4 =+12The product of a positive integer with a negativeinteger is negative. example: +3 x -2=-6.The product of zero and an integer is alwayszero. Example: 0x 2=0