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41. .InQteugaedrrsatic Equations e Leeleaar rnn. P.puunnj ajabb
4.4 Addition of Integers:
A number line can also be used to display the sum or difference
of given integers as shown below.
• Sum of two or more given integers:
(i) (-2) + (-3) = -5
(ii) (-1) + (-2) + (-5) = -8
• Difference of two given positive integers
(i) (+6) - (+2) = +4
• Sum of two integers with unlike signs
(i) (+2) + (-7) = -5
(ii) (-3) + (+9) = +6
9 version: 1.1
