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- With 2020 Covid beard
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- “I hope to change the way the western world teaches maths”.
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- Jonathan J. Crabtree in suit
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- Howrah students
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- Jonathan J. Crabtree
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- Andhra Pradesh Students
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- Jonathan J. Crabtree Podometic Maths Founder in Class 1
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- Happy people in Asansol
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- Crabtree is in town!
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- At the Centre of Excellence in Science and Mathematics Education (COESME), at the Indian Institute of Science Education and Research (IISER) Pune.
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- I’m here to learn and ask questions too!
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- With Prof. Dr. J. P. Bandyopadhyay at Kingston Education Institute
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- Happy maths students!
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- That’s a big class!
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- 550 students 1 class in Raghabpur
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- Me and Senator Lisa Singh
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- Media Conference at Kolkata Press Club
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- Lecture at IISER, Pune
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- Lunch at Visva-Bharati University
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- 26 Jan = Australia Day + Republic Day
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- 1968 – when I noticed problems with zero
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- Zoom Background
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- Yes, I love flowers
