Add. Do not use a number line except as a check.
--18 + (-39)+ 31 + (-85)
A)59
B)-75
C)-111
D)-173

Name: Add. Do not use a number line except as a check. --18 + (-39)+ 31 + (-85) A)59 B)-75 C)-111 D)-173
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Question

Quizplus · Accepted Answer

When adding negative numbers, you increase the amount you owe, so to speak. Adding -18 and -39 gives -57. Adding 31 to -57 gives -26 (because adding a positive number reduces the amount you owe). Finally, adding -85 to -26 results in -111.

Add Do Not Use a Number Line Except as a Check