My teacher uses a Noise Meter similar to this one. The Noise Meter is a cool way to remind students the correct noise level that they should be using! You just use the paper clip and move it to the appropriate noise level the students should be using.
Let’s face it. It’s confusing as to when to apply a heat pad or when you should get out the ice pack. Thankfully, the good folks at the Cleveland Clinic have created this handy dandy chart to help figure out what’s best for each situation.