Rational numbers: forms, order and number line

Numbers and arithmetic

A fraction and a decimal can represent the same rational number.

Rule

Formula matematica

Example

Formula matematica

What you need to know before the exercises

In this lesson: Move between fractions and decimals and correctly compare rational numbers.

How to proceed: Put the quantities in the same representation or use a common denominator; then compare values, not just numerators.

You can already assume: Operations with fractions.

Try it now

Write 0.75 as a reduced fraction and compare it with 2/3.

Guided

Completed exercises: 0/5 · Correct on first attempt: 0

How to reason

Put the quantities in the same representation or use a common denominator; then compare values, not just numerators.

Formula matematica

Your competency map

ConceptStep separates what is required from what is recommended or useful as reinforcement. Only required prerequisites block your progress.

Current topic Strong skill Review due Needs reinforcement To be mastered Optional support

Relationships: solid line = required · dashed line = recommended · dotted line = reinforcement.