Slipped

She slipped out of her dress and into a swimsuit.

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

He slipped into his pajamas and crawled into bed.

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.

He slipped out of his wet clothes and into a dry towel after a refreshing swim.

His physical condition slipped after he stopped exercising.