Question

Which number is located the same distance on a number line from -5 as 3 is? A.13 B.8 C.-7 D.-13

Answer 1

D. 13. Because 3-(-5)= 8. And -13-(-5)= 8

Answer 2

Method 1: Write out the numbers both way from -5:

-5    -4    -3    -2    -1     0      1      2    3
-5 .  -6    -7    -8    -9  -10   -11  -12  -13

Method 2: Calculate:

3 - (-5) = 8

(-5) -8 = -13

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Answer: The number is -13.
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