Find the next number in the number sequence 4, 9, 16, 25

Find the next number in the sequence 4, 9, 16, 25 the next number would be 36.

The sequence of numbers are all perfect squares, meaning that their square roots are whole numbers.

The square root of 4 is 2.

The square root of 9 is 3.

The square root of 16 is 4.

The square root of 25 is 5.

So, we need to find what number, when square rooted would equal 6.

This number equals 6 * 6 or 36.

The next number in the sequence would be 36.