Tick the object which are inside and cross the object which are outside.

Put a tick mark ($✓$) on the objects inside the classroom and cross ($✘$) on the objects outside the classroom.

Put a tick mark ($✓$) on the objects inside the classroom and cross ($✘$) on the objects outside the classroom.

Put a tick mark ($✓$) on the ball inside the glass.

Put a tick mark ($✓$) on the objects inside the classroom and cross ($✘$) on the objects outside the classroom.

Put a tick mark ($✓$) on the objects inside the classroom and cross ($✘$) on the objects outside the classroom.

Put a tick mark ($✓$) on the objects inside the classroom and cross ($✘$) on the objects outside the classroom.

Put a tick mark ($✓$) on the objects inside the classroom and cross ($✘$) on the objects outside the classroom.

Put a tick mark ($✓$) on the objects inside the classroom and cross ($✘$) on the objects outside the classroom.