1.3 exploring real numbers Flashcards
1
Q
natural numbers
A
1 2 3….
2
Q
whole numbers
A
0 1 2 3 4 …..
3
Q
integers
A
-2 -1 0 1 2 3 4 5
4
Q
rational numbers
A
any numbers that you can write in the form a/b where a and b are integers and b =/ 0.
5
Q
irrational number
A
cannot be expressed in the for a/b, where a and b are integers
6
Q
real number
A
rational numbers and irrational numbers form the set of real numbers
7
Q
inequality
A
mathematical sentence that compares the value of two expression using an inequality symbol
8
Q
opposites
A
two numbers that are the same distance from zero on a number line but lie in opposite directions
9
Q
absolute value
A
a number is its distance from 0 on a number line
