Slipped

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

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

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

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.

He slipped a piece of paper into the envelope and sealed it shut.

She slipped the coin from her pocket and dropped it into the slot machine.

She slipped her feet into the high-heeled shoes, feeling confident and elegant.