80. If we are at 8 on the number line, in which direction should we move to reach the integer
(a) Left, (b) Right, (c) Left
Idea: On a number line, numbers smaller than a point are to the left. Numbers greater are to the right.
Target: (-5)
Compare: (-5 < 8)
Direction: move left
Steps: (8 o 7 o 6 o 5 o 4 o 3 o 2 o 1 o 0 o -1 o -2 o -3 o -4 o -5)
Target: (11)
Compare: (11 > 8)
Direction: move right
Steps: (8 o 9 o 10 o 11)
Target: (0)
Compare: (0 < 8)
Direction: move left
Steps: (8 o 7 o 6 o 5 o 4 o 3 o 2 o 1 o 0)
Summary: smaller than (8) → left; greater than (8) → right.