Add. Do not use a number line except as a check.
-2.1 + (-6.4)
A)4.3
B)-8.5
C)-4.3
D)8.5

Name: Add. Do not use a number line except as a check. -2.1 + (-6.4) A)4.3 B)-8.5 C)-4.3 D)8.5
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Question

Quizplus · Accepted Answer

When adding a positive number (2.1) and a negative number (-6.4), you subtract the smaller number from the larger number and keep the sign of the larger (in absolute value). Thus, 2.1 + (-6.4) = -4.3.

Add Do Not Use a Number Line Except as a Check