Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
Counting or natural numbers
|
1, 2, 3...
|
|
|
Whole numbers
|
0, 1, 2, 3...
|
|
|
Integers
|
..., -3, -2, -1, 0, 1, 2, 3, ...
|
|
|
Rational numbers
|
points on the number line
|
|
|
Irrational numbers
|
nonrepeating nonterminating decimals
square root of any positive integer that is not a perfect square |
|
|
Closure property
|
a + b and ab are real numbers
|
|
|
Commutative properties
|
a + b = b + a
and ab=ba |
|
|
Associative properties
|
a + (b + c) = (a + b) + c
and a(bc) = (ab)c |
