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On a number line, which integer lies exactly halfway between −8 and 4?

Class 6IntegersIntegers
  • A-1
  • B-2
  • C-3
  • D-4

Step-by-Step Solution

The distance from −8 to 4 is 12 units. Halfway is 6 units from each end: −8 + 6 = −2 (and 4 − 6 = −2). So the midpoint is −2.
Answer: B) -2

Key idea: Integers on the number line

Draw a line, mark zero in the middle, and step off equal distances. To the right: 1, 2, 3, …. To the left: −1, −2, −3, …. Every integer has its own spot. The further left, the smaller the integer. The further right, the larger. This single picture is the foundation for everything else in this topic — when in doubt, draw the line.

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