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Parts of the Coordinate Plane Graphic Organizer

I created this parts of the coordinate plane graphic organizer a few years ago for my beginning of year Pre-Calculus review. As I prepare to teach pre-calculus again this year, I have been looking through my notebooks from previous years. When I saw this page of notes yesterday, I thought to myself, I should really …

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Order of Operations Question Stack Activity

I created this order of operations question stack activity to give my Algebra 1 students extra practice applying the order of operations to some rather involved expressions. These order of operations questions are specially designed to expose students to various grouping symbols including parentheses, brackets, absolute value bars, radicals, and fraction bars. I created a …

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Missing Parentheses – An Order of Operations Activity

I really like this order of operations activity that I am naming “Missing Parentheses.” I found it in the textbook Intermediate Algebra for College Students by Karl J. Smith and Patrick J. Boyle (free to borrow from the Internet Archive’s Online Lending Library). Yesterday, I shared a lovely set of 10 order of operations practice …

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Order of Operations Practice Worksheet

Today I’m sharing an order of operations practice worksheet based on a set of problems I recently ran across in an out-of-print textbook. I’ve been using part of my Spring Break to look through some math textbooks that have been digitized by the Internet Archive and are shared freely through their Online Lending Library. My …

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Pattern 15 and Pattern 30 Puzzles

Today I’m sharing two mathematical puzzles with you that Ivan Moscovich calls Pattern 15 and Pattern 30. Earlier this school year, I browsed a bunch of puzzle books looking for puzzles to post in my classroom that didn’t involve manipulating pieces. This was weird for me because I was intentionally trying to avoid the exact …

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