Real Numbers Review

Natural Numbers • Natural numbers: 1, 2, 3… • By any other name Counting numbers

Rational: Repeating: Terminating: Rational: Repeating: A N u m b er s S kit Hello, Terminating and Repeating. How was school today? We got into a fight, we got into a fight. . . (continues repeating) Yeah, we got into a fight with Irrational, and I wanted to terminate him. Children, what was this fight about? You know that I don't like for you to be fighting at school. He just kept saying stupid things, saying stupid things. The teacher was trying to tell us about math, and Irrational kept saying stuff, like, "I like pie, " and "Oops, I did it again" while the teacher was trying to talk, trying to talk.

Whole Numbers • Just add 0 in the mix • Whole numbers: 0, 1, 2, 3…

Based on the reading what is a rational number?

Integers • Natural numbers, their opposites and zero • Integers: …-3, -2, -1, 0, 1, 2, 3…

Some of the Numbers Inbetween • Rational numbers: 2/3, -31/2 0. 3333… – Can be written as a ratio of two integers. – Repeating decimals, terminating decimals and fractions

Some of the Numbers Inbetween • Irrational Numbers • 3. 4545545555… has a pattern but doesn’t repeat. It isn’t rational. • It can’t be written like a fraction. • Square root of 2, Pi and e are also IRRATIONAL

Pi Rational or Irrational . 09 -8 0 ⅜ 2. 010010001….