Teacher Discussion Forums

Hi ,
What are the names of these signs(the name of the sign it self not the operation of the sum):
+, _, ×, ÷ , =

Thank you so much

Hi,
As you can see that is my first time here ,I'm not a native english , I'm a young teacher(6 months old) i teach english in egypt,so i'll be awlways in need for your help.

Today i wanna know What is a backchaining technique?When to use it?

thanks