Standard 15
The student recognizes a wide variety of patterns, relations, and functions.

Benchmarks:
15.1	Using informal methods to solve real-world problems requiring simple equations that contain one variable;
15.2	Recognizing a variety of patterns and relationships using symbols and objects (for example: if the function of x = 3, x + 1 = 4; if the function of x = 7, x + 1 = 8);
15.3	Recognizing symbols and concepts of equal ( = ), unequal (), less than (<), and greater than (>);
15.4	Identifying the next item of a pattern or a number sequence;
15.5	Identifying the missing item of a pattern or a number sequence.