IB Math Studies: Number sets ex. 1

Taken from November 2019 afternoon

N: Natural Numbers: Positive whole numbers
Z: Integers: Negative and positive whole numbers and "0"
Q: Rational numbers: Anything writable as a ratio and or fraction
R: Real numbers: Any numbers from negative infinity to positive infinity.

Chapters
0:00 Introduction (What is N Z Q R?)
2:50 Filling in R
3:10 Filling in N and Z
5:25 Filling in Q
9:03 Advice