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Peter Rowlett Jul 8
Over breakfast this morning my son asked about 23 and whether it is prime. So I prompted him through a method of determining whether it is or not based on stuff he knows. We agreed 25 is 5x5, so if 23 can be arranged into a rectangle it must have a side length less than 5.
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Molly Rawding Jul 5
A lovely discussion w leftover waffles - how will we share 3 waffles between 4 of us? My kids had interesting ways to share - just such a wonderful conversation of ideas, connections, and questions! M shared into 9 squares O shared 1/2s then 1/4s
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Holly Tate Jul 5
Magnatiles have served us some awesome math convos: object graphs, composing and decomposing shapes, counting. Today, A decided the core of her pattern was ROYGBIV. I put out the first 4 terms and asked her what the 10th color would be. “That’s a challenging one mom!”
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Brooke Ruch Jul 8
Love watching our little exploring and developing her early math skills
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Peter Rowlett Jul 8
Replying to @peterrowlett
Then 4. He knew 24 is twice 12, and 12=3x4, so worked out 24 must be 6x4. 24 is one more than our target, and he knew 1÷4 is a quarter, so no good. So, he concluded, 23 must be prime.
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Scott Kortlandt 2h
Can’t remember who’s I first saw this on but I’m definitely on
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Avery Pickford Jul 2
Talking (watching) math with your kids
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Rose Roberts Jul 3
Who won: red+green or blue+yellow?
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Dr. Kate Owens Jul 7
Replying to @numberphile @YouTube
His questions included: "What's a cube mean in more than 3-dimensions?" and "What does 'recursive' mean?"
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Vi Tamargo Jul 3
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Jason Lang Jul 6
hosted a Zoom class in which students had to submit work. At the end, he posted someone's work on his shared screen and then asked, "Check this work out. Wait, whose work is this?!" ALL eyeballs were on the screen. Effective trick is effective.
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Peter Rowlett Jul 8
Replying to @peterrowlett
We tried 2. He knew 20÷2 is 10, which leaves 3, which can’t be divided without remainder. Then we tried 3. He knew 21 is 3x7, which leaves 2. He worked out that 2÷3 was two thirds, so no good.
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Bloom+Ahti Jul 5
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Andrew Morrison Jul 3
Today in children are brilliant… (ht )
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Mark Trushkowsky Jul 7
A vague memory and a Google search for "sesame street circles choral" and there is was - Geometry of Circles (1978), animation by Cathryn Aison & music by Phillip Glass. Anyone remember this wonder?
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Nova Katz Jul 5
I take issue with the racist notion that the black community "doesn't care" about school despite the fact that only a few generations ago they weren't *allowed* to attend school. oh, instead of can we make a ?
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AMSI Schools Jul 1
Replying to @Trianglemancsd
This book by further explores this counting idea and has inspired a number of hashtags where further examples can be found
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Peter Rowlett 13h
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Tracy Johnston Zager Jul 7
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