at the playground
its where the talking girls are standing
On Big Nate island the three girls stand on the playground to the right of the school .
Where the girls are talking, but you have to get rid of them.
to get the girls away you ring the bell
underneath the group of girls who are talking
near the playground
Under the playground
where the chatty girls are.
under Nate's club and the ladder in the playground where girls are talking in big Nate
The Treasure is on the ground where the girls that are ignoring you are
its where the girls were "yakking"
Talking to them won't help. They will only leave the playground when you repair the school bell and ring it. Then you can dig where they are standing. (see the related questions)