Want to help your seventh-grader master math? Here are some of the skills your child will be learning in the classroom in seventh grade. At a “25% Off” sale, Marissa buys a skirt for $40.50. What was ...

Add Yahoo as a preferred source to see more of our stories on Google. A video of a teenage girl attempting to explain the concept of “girl math” to her father has gone viral. “If I buy concert tickets ...

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Forbes contributors publish independent expert analyses and insights. Dani Di Placido covers film, television, and internet culture. You might have seen the term “Boy Math” thrown around the internet ...