"Ultimately, I'm not the best teacher for her," Adams told ET's Carly Steel during a recent sit-down. "I want for her so bad. She can feel my anxiety and I have to remember to calm down and that she'll get it in her own time, but we have fun with it. We laugh a lot."
In Arrival, expert linguist Louise Banks (Adams) brings together an elite team to assist in translating alien communications when a mysterious spacecraft touches down on Earth.
Jeremy Renner co-stars in the movie, and as a parent himself, he is also tutoring his 3-year-old daughter, Ava.
"When you're teaching a three-and-a-half-year-old anything, you have to keep it fun," he told ET about helping his daughter learn math. "It's going to be difficult when she's going to know more math than me probably when she's eight."
Later, ET's Denny Directo caught up with the cast at the film's Los Angeles premiere on Sunday, where Adams admitted that her daughter is not interested in the glitz and glamour of the red carpet just yet.
"She was like, 'When are you leaving?' because I think she was going to watch Goosebumps and eat some pizza," Adams, 42, said. "For her, it's all about that."
In the film, Adams' character says, "There are days that define your story beyond your life." ET asked Renner if he ever has such days.
"Every moment with my daughter," Renner, 45, answered. "I'm actually leaving here to go tuck her into bed tonight. She's got to get up for school."