Copy the number patterns below and write the next four numbers in the pattern. Assume the pattern continues as shown. Describe the pattern in words.

1. $2, 7, 12, 17, 22$, ___, ___, ___, ___

   Hint (a):

   Try to look at how the numbers grow. Also look for relationships between the numbers - do they have anything in common?

   Answer (a):

   $2,7,12,17,22,27,32,37,42\ $

2. $1,4,9,16,25$, ___, ___, ___, ___

   Hint (b):

   Try finding the difference between each consecutive number. Is there a pattern in the differences?

   Answer (b):

   $1,4,9,16,25,36,49,64,81\ $

3. $1,1,2,3,5,8$, ___, ___, ___, ___

   Hint (c):

   How is $5$ related to $2$ and $3$ before it? How is $8$ related to $3$ and $5$ before it? Using this relationship, what numbers come next in the pattern?