Wolfram Demonstrations Project

Rational numbers ("fractions") are often more difficult to understand than decimal numbers. Use this explorer to get a feeling for them.

Tricky Questions to think about!

How many rational numbers are there between 0 and 1?

What is the smallest rational number which is larger than 0?

How close together can rational numbers get?

Can you always find a rational number between any two decimal numbers?

Can you use this explorer to find a decimal approximation for

? (

is approximately 3.14159.)

Contributed by: Richard Mercer

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Common Core State Standards for Mathematics

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Rational Number Explorer