# ^^Numeri razionali.

## The Development of Multiplicative Reasoning in the Learning of Mathematics (Google
eBook) 1994

Rational Number Project

Rational numbers are not simply ordered pairs of whole numbers

pag viii

## 6 costruzioni dei nr razionali

- part to whole comparison
- decimal
- ratio
- indicated division (quotient)
- operator
- measure of continuos or discrete quantities

Misconception: multiplication makes bigger and division makes smaller.