Rational
A decimal that repeats a digit or sequence of digits
Repeating decimal
What are the 3 types of irrational numbers?
1. Never-ending decimals that do not repeat
2. Any number with pi
3. Imperfect square roots
What is the decimal for 4/10?
0.4
A decimal that stops
Terminating decimal
If you have a fraction, you must first...
Turn it into a decimal using long division
What is the decimal for 23/25?
0.92
Which one is rational?
0.49817...
9.23
2/3*pi
9.23
What are the first 3 perfect squares (not including 0)?
1 x 1 = 1
2 x 2 = 4
3 x 3 = 9
What is the decimal for 8/15?
0.53333....
Which one is rational?
6/7
9/13
5/6
5/6
What is the square root of 49?
7 AND -7
What is the decimal for 5/8?
0.625
Which one is rational?
0.572
7/13
pi*1.3
0.572
What is the square root of 121?
11 AND -11
What is the decimal for 20/36?
0.555.....