IWBAT classify real numbers as rational or irrational.
IWBAT classify rational numbers as integer, whole, or natural.
I am Noah Webster –
they named the
dictionary after me.
Since I wrote the
first dictionary, I know how important defining
words is. Get crack-a-
lackin’!!!
Today, you are going to get the
definition and some examples of each word.
With all this help, you won’t forget.
No worries guys!! Hakuna
Matata!!!
Definition: All numbers that exist
Example: {π,-91.82, 28, -12, ½, 84.56, 45.2394…, 57, …}
How will I remember? – To remember real numbers, just think of all the numbers that you know.
Definition – ____________________ that can be expressed as a fraction
Examples –
How will I remember? – Rational numbers include fractions, terminating decimals, repeating decimals, and integers
Definition – ______________________ that are positive or negative and that DO NOT include fractions and decimals
Example – {-4,-3,-2,-1,0,1,2,3,4, …}
How will I remember? – Integers include all rational numbers except fractions and decimals.
Definition – All _____________ zero and greater
Example – {0,1,2,3,4,5,6,7,8,…}
How will I remember? – Whole numbers are all positive numbers starting with zero
Definition – All _____________________ NOT including zero
Example – {1,2,3,4,5,6,7,8,9,…}
How will I remember? – They are called “counting numbers” because that is how you count.
Definition – _____________________ that cannot be written as a fraction.
Example –
How will I remember? – Irrational means “crazy” (like me!). So that means that irrational numbers are the crazy decimals that never end and that don’t have a pattern to them
,...}3...,4832.1,,43,11...,214235.83,5{
Perfect squares are the numbers that result from “squaring a number” (taking a number to the 2nd power)
Example – {1,4,9,16,25,36,49, 64,81,100,121,144,169,…}