| The number system | Converting Repeating Decimals to Fractions | Estimating Square Roots | Square roots and cube roots |
|---|---|---|---|
|
What is a natural number?
The natural numbers are also referred as the counting numbers ex. 1,2,3,...
|
Write 0.3535353535.... as a Fraction
x=35 over 99
|
What is the square root of 144
12,-12
|
5 to the 2
25
|
|
What is a whole number?
The whole numbers consist of the natural numbers and 0
ex. 0, 1,2,3... |
Write 0.77777777... as a fraction
x= 7 over 9
|
What is the square roots of 256
16,-16
|
8 to the 2
64
|
|
What is an integer?
The integers consist of all natural numbers, 1, and the opposites of the natural
ex. No fractions or decimals |
Write 0.41414141.....as a fraction
x= 41 over 99
|
12 to the 2
144
|
|
|
What is a Rational Number?
A rational number is any number that can be written as a fraction.
ex. 0.5, 6, -8, 0,.25, 3,.3, |
write 0.8888888.. as a fraction
x= 8 over 9
|
15 to the 2
225
|
|
|
What is an Irrational number?
an irrational number is a non-repeating, non-terminating decimal
ex. 1,2345.... |
write 0.7878787878.....as a fraction
x= 78 over 99
|
20 to the 2
400
|
|
Support Us on Ko-fi