Percent, tax, tip, percent error, percent increase - 7.RP.A3. Smartboard notebook file Docx file Great Winter Activity - student review percents and they decorate your class for winter and holidays. The students will be divided into groups of four, preferably a proficient, two partially-proficient, and a minimally proficient. Each student will receive a sheet of paper containing four winter designs (percentage problems to solve). I printed on white copy paper the snowmen for minimally proficien