The next-to-last step of any problem solving should be checking your answer for reasonableness. (The last step, of course, is stating the answer clearly and completely.) Often when we're working...
Category: Algebra and Trig for Students and Parents
(Click here to read this post in English.) Los mosaicos algebraicos puede ser extremadamente útil para desarrollar el pensamiento algebraico temprano y modelar ciertos tipos de problemas. Sin...
"Show your work." Have you ever tried to ask a group of math teachers what this actually looks like? Answers can vary, but in general, even the teachers who say this often have a hard time describing...
"Show your work." A common theme on math worksheets and tests. Yet, despite the frequent refrain, it's actually quite difficult for teachers to describe what good examples of "showing work" actually...
It's tempting to think that squaring a binomial means simply squaring each term. I mean, if math is logical and makes sense, it should be that easy, right? Yet, algebra students (and even students...
Functions are a big deal in algebra. The ideas they generate continue to influence how we think about mathematics beyond algebra as well. Conceptually, they are one of the most frequently...