## Algebra and Trig for Students and Parents

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## Recent Posts

Tricks and Algorithms: What Teachers Want You to Avoid, Part 1

I recently asked teachers what parents do that undermines their efforts to teach children math. Two main themes emerged: The damage of shortcutting mathematical practices and the language of negative...

Regrouping is a fundamental mathematics practice. Deep, early understanding of what's happening during regrouping will serve a student well in both math class and in daily life. But how do you...

The number 72 is frequently used to demonstrate deep mathematical structure. Not only does it have factors other than 1 and itself (it is composite, or not prime), it has quite a lot of them, and its...

The Common Core State Standards (CCSS) include eight “Mathematical Practices” that teachers and students are encouraged to use throughout their mathematical lives. These are different from the...

The area model is one way of organizing our place-value calculations while completing a multi-step multiplication problem. Just like any other multiplication "method" or "algorithm," the area model...

(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...