Slipped

The pencil slipped from the desk onto the floor.

He slipped the envelope from his grasp and it fell between the seats in the car.

The papers slipped out of the folder and scattered across the desk.

She slipped and made an error in her calculations, resulting in an incorrect answer.

The package slipped from the delivery driver's hands and tumbled down the steps.

His physical condition slipped after he stopped exercising.