Types of numbers
Each group is automatically in the group to its right!
Rational
Irrational
Rational
Integer
Whole
Counting
Irrational
Rationals VS Irrationals
• Rationals - Decimals that terminate or
repeat forever
3.666666666...
5.4837
8.161616161616.....
• Irrationals - Decimals that go on forever
without terminating or repeating
!
4.57434......
5
Identify the number type
(can be more than one)
1. 56
Counting, Whole, Integer, Rational
2. -7
Integer, Rational
3. 19.453
Rational
4. 0
Whole, Integer Rational
5. 7.35452...
Irrational
Rational or irrational?
1. 7.3333..
Rational
2. -7.3451
Rational
3. 8.345814...
Irrational
4. 13.171717...
Rational
5. 7.12345.....
Irrational
Special Numbers
Square Numbers - Numbers that make a square!
12 , 2 2 , 32...
1, 4, 9...
Prime Numbers - Numbers only divisible by itself and one
2, 3, 5, 7,11,13....
Composite Numbers - Numbers divisible by more
numbers than one and itself
4, 6, 9,10....
Find the absolute Value
1. | 5 |
5
2. | -6 |
6
3. | 5-10 |
5
4. | -6 - 10 | + 1
17
-2, 2, 4, 5
0, 1, 2, 3