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some randomly chosen posts that show you the on-the-ground goodness that blogs can provide
[If you're looking to simply search the online math teacher community for specific lessons, we have this #MTBoS
search engine
!]
kids love to play with squishy things! this hands-on activity lets kids explore and compare volumes of spheres using Orbeez beads
consistent structures help kids get into the routine of things, like this “Wheel of Functions” review graphic organizer
how you can use exit passes to differentiate
food and math just go together like Cheez-Its and square roots. also see how the very important number line is used in this lesson.
want to motivate kids to do well on their SBG assessments? this takes-nothing-to-set-up and very visual “wall of champions” might help you do just that
since math is the study of patterns, why not have kids look for patterns in these dot pictures? then they can connect these patterns to the writing of equations and be able to work backward also
let kids develop their own conception of how solids are formed, then from that build the math vocabulary and notation. integrals for the win and this is how math sticks
one of the best and most memorable gift a teacher can receive is a thank-you notecard from a student, why not be the teacher who encourages students to write one for other teachers and school staff
the title of this post “legos-stickers-and-sorcery” tells you just how fun it is. linear programming gets a hands-on activity with follow-ups in stickers and desmos graphing
so many questions, so little time. everyone has a leaky faucet somewhere in their home, this task involves many questions that can be generated from students and explored with calculations of rates
instead of asking kids for the answer and lose our cool when they give a horrible-terrible-no-good answer, we can ask instead for the
wrong
answer
kids make mistakes. adults make mistakes. puppies make mistakes. so why not take advantage of the abundant number of math mistakes to teach exponent rules
does your teaching of rational functions feel formulaic, procedural, and conceptually shallow? Try this - start graphically and build rational functions up!
want to read some good moments from working as a teacher? here's one. and there are many more where that came from!
a challenging puzzle-y problem and the wonders of productive struggle and giving kids the time and space and tools to figure stuff out
student errors make you want to vomit. use them for good, not evil. go to the math hospital.
motivating the meaning behind systems of equations, so solving them is less a procedure and involve more conceptual thinking
a fun worksheet on systems of inequalities
kids need to remediate. why not create The Wall of Remediation.
an important question: how do you lesson plan? lots of different strategies in the comments
a worksheet to review lines in algebra 2, but taking student understanding a bit further by multiple approaches
kids don't bring pencils to class. them asking their friends for pencils are a distraction. you never get the pencils you loan out back. what to do?
you're teaching a lesson and you need to activate some old knowledge. you also want to start class out getting kids talking. play "what's the question?"
a vomit-inducing infection plagues the school. analyzing the data introduces the need for the concept of an "inflection point" in calculus
a simple but memorable way to emphasize the meaning of function notation
an alternative way to teach conics through the use of conic cards
having students understand the assumptions built into probability by just having a good conversation
a simple folding activity that drives home the idea of the orthocenter of a triangle
a super simple but conceptually deep multiple choice trigonometry problem
an open investigation into what a "square" is by having a class talk about "squareness" -- a conversation that can go in many rich directions
you give a test. some kids do well. some bomb. what do you do? you can do good stuff.
play logarithm war with kids to drive home the meaning of logarithms
(modified version here)
making and using marshmellow guns to collect all sorts of data to be use in the math classroom
creating a culture of questions takes a lot of hard work and intentionality on the part of the teacher
using an old 1792 penny and an open discussion to introduce the idea of geometric sequences
you start class by having kids go to a whiteboard with a problem clipped to it. you build their conceptual understanding by having them draw.