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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OpenMathUS @openmathus

3 years ago

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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OpenMathUS @openmathus

3 years ago

Here's a puzzle from NRICH:

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OpenMathUS @openmathus

3 years ago

Here's an interesting puzzle from Boris Kordemskij.

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OpenMathUS @openmathus

3 years ago

Here's a great puzzle from Martin Gardner.

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OpenMathUS @openmathus

3 years ago

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?"

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OpenMathUS @openmathus

3 years ago

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.

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OpenMathUS @openmathus

3 years ago

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OpenMathUS @openmathus

3 years ago

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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Neville Barnard @Nevbar1

3 years ago

#mathed

SKG @sonukg4india

3 years ago

#mathed

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Tad Watanabe @watanabeKSU

3 years ago

tadwatanabe.wordpress.com/2022/11/07/man… #MTBoS #iteachmath #mathed

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Ayla Kelly @MissKelly21

3 years ago

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!

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Traci Jackson @traciteacher

3 years ago

Secondary math teachers @CAMathCouncil are curious about visual fraction division.

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OpenMathUS @openmathus

3 years ago

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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Julia Chatain @JuliaChatain

3 years ago

🧵 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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Sofia Tancredi @sofiasensory

3 years ago

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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Simon Sinek @simonsinek

3 years ago

We don't learn much when things go right. It's when things go wrong that we learn the most.

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Transforming Education Summit @TransformingEdu

3 years ago

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: