In the table below, a number of events are listed. Describe a pattern for each event and make a prediction based on the pattern.

Once complete, you may wish to discuss your patterns and predictions with another student, siblings, parents, or teacher.

EventPatternPredictionAre your patterns and predictions guaranteed?
The numbers 15, 17, 19, and 21 are shown in a list. The next 3 numbers in the list will be ___.

A paper is folded in half repeatedly. Originally there is 1 section. When folded in half once, there are 2 sections. When folded in half twice, there are 4 sections. When folded in half three times, there will be
_______________ .
For the last 8 days, Nona brushed her teeth when she woke up. Today _____.
On each birthday, so far, you've been able to say you are a year older. Next birthday _____.
Every crow you have ever seen has been black. The next crow you see will be __.

The sum of the interior angles in each of the first three triangles is 180°. The sum of the interior angles in the fourth triangle will be ____.
The mean of {3, 4, 5} is 4.
The mean of {8, 9, 10} is 9.
The mean of {101, 102, 103} is 102.
The mean of {57, 58, 59} is ____.