This animation is a generator of random problems on fractions. It allows the teacher to reinforce the fundamental notions and the student to test his knowledge.

Both frames must represent the same number.

A fraction can be represented by:

- its literal expression (three quarters),
- its mathematical writing (3/4),
- a graph (portion of a bar or disk),
- part of a collection of objects.

Five types of questions randomly combine two representations of the same fraction. All possible combinations are proposed in order of increasing difficulty. The padlock allows to freeze a type of question.

Objects in a collection can be moved to make packages.

The animation on fractions allows to introduce the fundamental notions.