Miss Ramshaw on Twitter: "Classroom noise level lights💡A simple and visual prompt for all learners 💬📢 #NQT #edutwitter https://t.co/rK94oiOBGJ" / Twitter
Free Technology for Teachers: noise meter
Printables for Monitoring Classroom Noise Levels (Noisometer) - SparkleBox
Noise O Meter Poster for Noise Level Help in the Class | Printable in A3 and A4 | Teaching Resources
6 Best Classroom Noise Meters for Teachers | Educational Technology and Mobile Learning
Control Classroom Noise in a FUN and ENGAGING way!