Concrete Fractions Perspective
Topics in Concrete Fractions Perspective
Numbered in the order to learn them.
(How to Deal With) (Improper) Fractions
Multiplying/Dividing Fractions
Adding/Subtracting Fractions
Mixed Numbers
Cauchy's Functional Equation on Rationals
Comparing Fractions; Size/Absolute Value
Which Fractions Are "Equal"?
Product of Nonzero Rationals Is Nonzero
The Rational Numbers Form a "Field"
When Are Two "Rational Linear" Functions Identical?