This lesson covers solved numerical problems on molarity, molality, mole fraction, and percentage concentrations to help you clearly understand solution concentration concepts in chemistry.

While math word problems are widely used in classrooms at all grade levels to help put numbers, operations, and equations into context and connect math to the real world, they also increase the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A human has outkissed one of Google’s superpowered artificial ...

Consider someone who’s perfectly content with their office chair. It’s not ergonomic, it doesn’t have lumbar support, but it works. Then, during a meeting or a visit to a friend’s office, they sit in ...

Here’s a mind-blowing experiment that you can try at home: Gather some children’s blocks and place them on a table. Take one block and slowly push it over the table’s edge, inch by inch, until it’s on ...

Emojis can improve relationships, according to new research. Using the digital representations of emotions and ideas in text and social media messages boosts closeness and relationship satisfaction by ...

A troubling math problem that led to a "heated conversation" among one fifth-grader's family has sparked similar debate on social media. Math differs from other subjects in that the answers students ...

Word problems try and tell students a story about the math problem in front of them. They are a useful way to connect abstract numbers to concrete situations, so students can learn early on to apply ...

Working memory is like a mental chalkboard we use to store temporary information while executing other tasks. Scientists worked with more than 200 elementary students to test their working memory, ...

There’s a curious contradiction at the heart of today’s most capable AI models that purport to “reason”: They can solve routine math problems with accuracy, yet when faced with formulating deeper ...

Practical word problems are often considered one of the most complex parts of elementary school mathematics. They require students to understand the context of a math problem, identify what the ...

The film features a conversation between a student named Bernard and another person helping him with his math homework. They discuss various math problems, including multiplication and division, while ...