Real Numbers II (Pre-Algebra)
Last updated 3 years ago
Negative numbers go to the left becoming smaller for infinity.
Positive numbers go to the right becoming larger for infinity.
A solid circle includes the number.
An open circle does not include the number.
An arrow to the left means that the the answer goes to negative infinity.
Square:--5x5=255squared=25--25 is a perfect square
Khanacademy Square Root Activity
Convert Repeating Decimals to Fractions
See a pattern?0.333=3/90.3434=34/990.123123=123/9992.555=2 5/93.5757=3 57/998.376376=8 376/999
Repeating Decimals to Fractions Activity
Graphing, squaring, Repeating decimals
A number line is used to graph numbers.
An arrow to the right means that the the answer goes to positive infinity.
--The square root of 25=5--5 is the principal square root