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Home > GC > Chapter 7 > Lesson 7.2.6 > Problem 7-95

7-95.

For each pair of numbers, find the number that is exactly halfway between them.  

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    It may help to draw a number line.

    A horizontal axis with 7 tick marks. The first tick mark is 9 and the last tick mark is 15.

    Count towards the middle from both sides.

    Count towards the middle from both sides. The middle is 12. From 9 to the middle is 3 jumps to the right. From 15 to 12 is 3 jumps to the left.

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    Find the average of the two numbers.

     

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