OpenMathUS @openmathus
OpenMathUS is dedicated to creating a high quality online repository of completely free math resources. Contribute now or browse our collection at https://t.co/ITouveO3aE. openmath.us Boston, MA Joined August 2021-
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Here's a fun challenge from youcubed.org: "How many different rectangular prisms can you make using 1 cube, 2 cubes, 3 cubes and onwards to 30 cubes?"
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Here's an interesting puzzle from Boris Kordemskij.
Here's a great puzzle from Martin Gardner.
The answer most people think of first is not correct: "At six o'clock the wall clock struck 6 times. Checking with my watch, I noticed that the time between the first and last strokes was 30 seconds. How long will the clock take to strike 12 at midnight?"
Here's a great puzzle, from a great book of puzzles: The Moscow Puzzles, by Boris Kordemski. I sometimes give students shower curtain rings to help them work out the answer.
Here's another fun, quick riddle: "When my father was 31, I was 8. Now he is twice as old as I am. How old am I?" #mathed
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A super cool professional learning opportunity for math teachers is coming up January 19! The title for this event is “Facilitating Productive Discussions in the Mathematics Classroom”, I know I could use all the help I can get in that department!
OpenMathUS retweeted
Secondary math teachers @CAMathCouncil are curious about visual fraction division.
One of my favorite riddles to use when there's extra time in class: "Each male child has twice as many sisters as brothers. Each female child has the same number of brothers and sisters. How many boys and girls are there?"
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🧵 Grasping Derivatives: A thread! In our most recent paper, we looked into how to design embodied interaction to support learning of mathematics, in particular derivatives.
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Can math concepts be experienced through the sense of balance? What if instead of seeing movements like rocking and fidgeting as distractions, we integrated them into instruction? Our @IDC_ACM #IDC2022 Balance Board Math paper is out! doi.org/10.1145/350171…🧵
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We don't learn much when things go right. It's when things go wrong that we learn the most.
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How will the follow-up of the #TransformingEducation Summit strengthen investment in climate education? Join our Twitter space conversation next Friday 4th and learn more:
A good reminder of the challenge our teachers are taking on every day. theatlantic.com/ideas/archive/… #education #k12
“Educating the mind without educating the heart is no education at all.” ― Aristotle #education #K12
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