Problem solving

3.2 Problem Solving
Example of question

Aini bought a pizza cut into  4 equal parts.

Then, his brother came and ate three out of four pieces of pizza.

How many pieces of pizza are left for Aini?

So, the pizza that her brother ate was three of the four portions of the pizza.

In a fraction it is three-quarters.

So, the pizza left for Aini to eat is 1.