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RULES INOPERATIONS
OF INTEGERS
By:MR. MARLON ANOCHE
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ROUP ACTIVIT
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Integers
Are positive and negative
whole numer.
Are the set o! whole numersand their opposites.
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Rules in Operations ofIntegers
Addition Su!tra"tion #sa$e rules% Rule &: "ame sign Add "ign
o! numer Rule ': #nli$e sign "utra%t & "ign o!
iggest numer
(ultipli"ation)i*ision #sa$e rules%
Rule &: "ame sign & 'ositive sign Rule ': unli$e sign
& Negative sign
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Rule &+ Sa$e sign AddSign of nu$!er
E(amples: A. )* + & &,
B. ,+ , - & -.
Addition Su!tra"tion #sa$e rules%
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Addition Su!tra"tion#sa$e rules%
Rule '+ Unli/e signSu!tra"t 0 Sign of !iggest
nu$!er
E(amples: A. )* ,+/ & 1
B. ,01* 1& -',
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(ultipli"ation)i*ision#sa$e rules%
Rule &+ Sa$e sign 0 Positi*esign
E(ample: A. ,0/ ,+/ & 2
0/ +/ & 2
B. 20 3 - & 3
,203,- & 3
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(ultipli"ation)i*ision#sa$e rules%
Rule '+ Unli/e sign 0Negati*e sign
E(ample: A. ,00/ 0/ & -11
B. 203,- & -3
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Pro!le$ &
Mother lost + poundswhen she was ill. A!ter
re%overing4 she gained 22pounds and then lost 1
pounds. How mu%h weightdid she 5nally lose or gain6
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Pro!le$ '
An elevator went up 17oors !rom the 5rst 7oor8
went down 0 7oors8 went up2 7oor8 and went down 0
7oors. On whi%h 7oor didthe elevator stop6
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)EO PRESENTATI
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Ans4er t5e follo4ing pro!le$sin*ol*ing t5e funda$ental
operationsof Integers.
&6 -' 7 1 0
'6 . 7 #-8% 0
36 -2 #-3% 0
16 -'3 7 3&0
96 -. 7 , 0
26 &9 : 1 0
.6 -& : 8 0
86 8 #-'% 0
;6 -2 : #-&&% 0
&,6 1 : . 0
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Assign$ent
2. Mt. Everest4 the highest elevation in Asia4 is 0940;
!eet aove sea level.
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