# Number Line

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If an integer a is pictured on the number line then the distance
from the point on the number line that represents the integer to the origin is ƒaƒ.

following.
a. Explain why ƒa 2 bƒ is the distance between the points that represent the integers a and b.

b. One way to define “less than” for integers is as follows: a , b if and only if a is to the left of b on the number line.

Consequently b . a if and only if b is to the right of a.

Use these ideas to mark on a number line all integers
x such that:
(i) ƒ xƒ , 5 (ii) ƒ xƒ , 1
(iii) ƒ xƒ \$ 5 (iv) ƒ xƒ.21

• Number Line - ,

I am uncertain what you need from us.

Draw a number line, starting at zero, marking 1,2,3,4,5,6,7...10

Somewhere put a b above one of the numbers. To the left of b, between zero and b, put an a above a number.

a) The distance from the origin to b is The number at point b. The distance from the origin to a is the number by a.
The question is, how far is it from a to b?
WEll, if we subtract a from b, we get that distance.

b)I don't understand the symbols above. Sorry.

• Number Line - ,

counting on a number line how do you do that