Definition. The prefix (-erythr or -erythro) means red or reddish. It is derived from the Greek word eruthros meaning red. Examples. Erythralgia (erythr-algia) - disorder of the skin characterized by pain and redness of affected tissues. Erythremia (Erythr-emia) - abnormal increase in red blood cell numbers in the blood.
Jokes that go too far. All can threaten the secure learning environment that teachers strive to create. Whether it's alleviating the first-time-in-school fears of a kindergartner or ensuring a safe haven for a teased teenager, making a classroom safe is the first step to effective learning.
3. Teach and reinforce new skills to increase appropriate behavior and preserve a positive classroom climate. We recommend that teachers actively teach students socially-and behaviorally-appropriate skills to replace problem behaviors using strategies focused on both individual students and the whole classroom.