What to do in those spare few minutes with a whole class...
A TA might just have to look after a class for a few minutes if the teacher is called away. What can you do with them
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Circle time activities are good too. One I use is:-
Children sit in a circle and close their eyes. I gently touch a child's head and they have to go and hide. I ask all the children to open their eyes and guess who is missing.
Also chinese whispers is a very popular one.