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Signed Numbers

Addition and Subtraction of signed numbers

QuestionAnswer
(+3) + (+9)= +12
(-4) + (-7)= -11
(-8) + (-9)= -17
(+3.2) + (+4.57)= +7.77
(-4.1) + (-0.71)= -4.81
(-16.4) + (-7.88)= -24.28
(-0.015) + (-7.29)= 7.305
(-5.1) + +9.2)= +4.1
(+2.87) + (-8.4)= 5.53
(-23.09) + (+11.5)= -11.59
(-19) - (-7)= -12
Created by: jenjen17
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