Numbers greater than 0
positive numbers
Numbers less than 0
negative numbers
What is the opposite of the opposite of -45
-45
How are these integers arranged
–53, –31, –25, –14, 0, 32, 49
From Least to greatest
Does a number line have to include zero?
No
The set of all whole numbers and their opposites are
integers
How do you identify an integer and its opposite?
Look for numbers that are the same distance from zero and on opposite sides of zero on the number line;
Compare the numbers
-33 10
< ; less than
Is the opposite of an opposite always the number you started with?
Yes
The absolute value of 0 is 0. Why
It is 0 units away from 0 on a number line
Two numbers that are equal distance from zero on a number line.
Opposites
A statement that two quantities are not equal
inequality
what is the absolute value? l-89l
89
_________ and _______ integers can be compared to understand real-world.
Positive , negative
How do integers change as you move to the left from zero on the number line?
They decrease in value.
Absolute value
A number’s distance from 0 on the number line.
Does every integer have an opposite? Explain
Yes, zero is its own opposite. For all other integers, the opposite has a different sign.
Compare the numbers
-67 -76
>; greater than
___________ written using > and < symbols, state that two quantities are not equal
Inequalities
Suppose you wanted to use a vertical number line. How would you read the scores in order from least to greatest?
The numbers on a vertical number line are listed in order from least to greatest going from bottom to top.
Any of the numbers {0, 1, 2, 3, ...} etc.
There is no fractional or decimal part. And no negatives.
Whole numbers
Rational numbers
Any number that can be expressed as a ratio of two integers.
4.25
all the numbers between two given numbers.
Interval
Determine the numbering interval you need to create tick marks on a number line to display the numbers 14, 12,10, 8, 6, 4, 2, 0.
intervals of 2