Use "secret" hand signals to have students SHOW you what they need. Each finger means something different, so the teacher can differentiate what kids need when there are 7 hands raised! Great classroom management technique for nonverbal communication.
8 Awesome DIY Secret Codes for Kids - Type your own Top Secret message into the template and it will automatically encrypt to match the Cipher! Great as Spy Party games or activities, for playdates or even in the school classroom as code breaking games $6.50 via SIMONEmadeit.com