This activity is part 2 in a five-part series on developing an understanding of and proficiency with functions. Part 1 offered an introduction helping students to understand slope and y-intercept when integrated across a multi-representational approach. In part 2, the student will develop even greater proficiency as negative and fractional slopes and y-intercepts are encountered. This unit offers 18 new pattern cards in both color and black and white versions! Comprehensive instructions, classroom and homework masters, and answer keys are included making this an easy-to-teach and mathematically rich unit of instruction.