Slipped

The pencil slipped from the desk onto the floor.

He slipped on the wet steps and tumbled down the stairs.

She slipped on the rug and nearly fell down the stairs.

The artist slipped the brush from her hand and it landed on the canvas.

She slipped on the wet spot in the kitchen and dropped the dishes she was carrying.

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

The quality of the product slipped after the company outsourced production.