The document provides instructions for a candy observation activity. Students are asked to choose a candy, observe and measure it, then write qualitative and quantitative observations and inferences. They must measure the candy's length in centimeters and convert it to inches rounded to two decimal places. The activity relates to learning qualitative vs. quantitative observations, inferences, measurements, conversions and rounding. The document also provides examples of formative assessments differentiated by student interest in various topics like paratroopers, trampolines and foosball. It encourages gaining information on student interests and using that to create formative assessments with interest-based options.