Henk Reuling (@HenkReuling) profile picture

Maths-teacher in the Netherlands, at the Liemers College; programming FREE math-games (https://teapawt.net/t.co/v6AiUCYbyg) plays basketball and puzzles a lot; #mtbos

Didam, Nederland
Joined February 2012
Photo by Henk Reuling (@HenkReuling)Photo by Henk Reuling (@HenkReuling)Photo by Henk Reuling (@HenkReuling)Photo by Henk Reuling (@HenkReuling)Photo by Henk Reuling (@HenkReuling)Photo by Henk Reuling (@HenkReuling)Photo by Henk Reuling (@HenkReuling)Photo by Henk Reuling (@HenkReuling)Photo by Henk Reuling (@HenkReuling)Photo by Henk Reuling (@HenkReuling)
Henk Reuling retweeted
Question of the day 07.06.2023
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🧩Sat Mar 11🧩
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🧩Wed Mar 8🧩
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🧩 Feb 26 2023 🧩 just in time...
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T 🧩 Feb 25 2023 🧩
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🧩 Feb 24 🧩I got my own version of this daily puzzle: month and day of week included... using 6 pentominos and 4 tetrominos. I don't remember where I bought this one... I think on some Dutch math-meeting... And my two solutions for today. @edsouthall
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Henk Reuling retweeted
What’s the area of this semicircle?
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Spin-off : Three squares. Vertex M is anywhere on the edge of the big purple square. What's the angle ?
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あの伝説のルービックキューブをさらにわかりやすくしました
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'Lemon in a box': calculate what fraction of the regular hexagon is covered by the area between the two parabolas. #mathematics #mathteacher #teachmath #study #thinking #learning #test #highschool #math #iteachmath #mathisfun
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Henk Reuling retweeted
A square with two inscribed squares. What is the maximal proportion green : blue? mirangu.com/the-oppressed-mi…
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Henk Reuling retweeted
Two equilateral triangles share a side midpoint. What is the angle α? mirangu.com/the-pendulum/
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Geometry puzzle. #mathiratti
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Henk Reuling retweeted
A square and a rectangle share two vertices. If the square has twice the area of the rectangle, what’s the angle α? mirangu.com/five-to-twelve/
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