Let’s start with,

### What is Agile Estimation?

Agile estimation refers to a way of quantifying the effort needed to complete a development task. Many agile teams use story points as the unit to score their tasks. The higher the number of points, the more effort the team believes the task will take.

### What is Fibonacci Sequence?

The Fibonacci sequence is one popular scoring scale for estimating agile story points. The Fibonacci sequence goes as follows: **0, 1, 2, 3, 5, 8, 13, 21** … and so on. Each number is the sum of the previous two in the series in this sequence.

### What is Fibonacci Agile Estimation?

Fibonacci agile estimation refers to using this sequence as the scoring scale when estimating the effort of agile development tasks.

### 📌 Why do we use the Fibonacci series for estimation?

*Good question!* 🍪

The difference between consecutive numbers in the number system is much smaller than the difference between consecutive numbers in the Fibonacci series.

For example, the effort difference between 5 and 6 is much smaller than between 5 and 8. Thus, the effort measured using the Fibonacci series is more determinant than the number system.

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