Respuesta :
8+3=11 there are 8 standing so add 3 to check say 11 are sitting and 3 fewer are standing so 11-3=8
There are 11 children sitting.

8+3=11 there are 8 standing so add 3 to check say 11 are sitting and 3 fewer are standing so 11-3=8
There are 11 children sitting.