This activity is called Quiz and Trade. Each paper has a trig function on it (all six are included) or a reference angle on it (degrees and radians). When you copy this, copy the trig chart on the back so each paper has that chart on the back. Then you let the class loose to quiz each other and trade. A student with a trig function needs to find a student with an angle, then they talk through what they think the answer is and check their answer using the chart on the back. When they are done, t