Addition of Integers

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Added: March 13, 2009 This Presentation is Public 
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ADDITION OF INTEGERS :ADDITION OF INTEGERS


Objective :Objective To be able to add and subtract integers with same sign and different sign.


Slide 3:LET’S SING!!!


Slide 4:Same sign add and keep different sign subtract take the sign of higher number then it’ll be exact.


Slide 5:What does the first line of the song tells us about???


Same sign add and keep :Same sign add and keep


Slide 7:(+17) + (+5) =(+22) (-2) + (-9) =(-11) (-5) + (-8) =(-13) (-13) + (-7) =(-20) (+2) + (+9) =(+11) (+29) + (+16) =(+45)


Slide 8:LET’S SING!!!


Slide 9:What does the second line of the song tells us about?


Slide 10:Same sign add and keep different sign subtract take the sign of higher number then it’ll be exact.


Different sign subtract :Different sign subtract


Slide 12:(-9) + (+5) = (4) (+6) + (-7) = (1) (-6) + (+7) = (1) (+9) + (-9) = 0 Answers are not yet final.


Slide 13:Take the sign of higher number then it’ll be exact.


Slide 14:(-9) + (+5) = (-4) (+6) + (-7) = (-1) (-6) + (+7) = (+1) (+9) + (-9) = 0