Rational and Irrational Numbers
* √25 means what number times itself equals 25.
Real Numbers
Rational Numbers
Integers
Whole Numbers
Rational Numbers – any number that can be written as a fraction.
12 =
22 =
32 =
42 =
52 =
[2-7 Rational and Irrational ]
62 =
72 =
82 =
92 =
102 =
202
252
302
352
402
=
=
=
=
=
452
502
552
602
652
=
=
=
=
=
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Solve each
Ex1) √121
Ex4) ±√1089
Ex3) √576
Ex) √1764
Ex2) √256
Approximate each root to the nearest tenth
Ex5) √2601
Ex6) √11
Ex7) √18
Ex8) −√67
Ex9) √55
Ex10) −√90
Tell what family each number is in and Order from Least to Greatest
1
Ex7) , 15, √256, √292, √156
3
5
Ex8) − , -15.2, −√144, −15, −√204
12
[2-7 Rational and Irrational ]
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