Infinityplusone

For other uses, see Infinity plus one.

infinityplusone
Born
Subash Chandar K

1981 or 1982 (age 43–44)
YouTube information
Channel
Subscribers66 thousand
Views8.4 million
Last updated: 31 October 2025

Subash Chandar K (born 1981 or 1982[1]) is an Indian-New Zealand mathematics teacher in Auckland. He runs a YouTube channel named infinityplusone, where he teaches secondary school students and prepares them for NCEA exams. In 2025 Chandar K was awarded the Local Hero of the Year award at the New Zealander of the Year Awards.

Biography

Chandar K moved from Chennai, India, to New Zealand aged 12. His mother was a maths professor in Chennai.[1] As of 2025, Chandar K lives in Auckland and teaches at Ormiston Junior College in Flat Bush.[2]

His YouTube channel infinityplusone has 66,700 subscribers as of October 2025, and was named after the amount he loves his wife.[2] On the channel he helps students prepare for NCEA exams by running live streams the nights before the exams are run,[3] and makes videos which explain how to use equations and calculators.[4] The channel was started in 2013[1] because Chander K noticed a lack of maths videos designed for children.[5] His first live stream was in 2018.[1]

In 2018 Chandar K won the National Excellence in Education Awards top honour. In January 2025 Chandar K became one of the 10 finalists of the Global Teacher Prize. Chandar K said that after he discovered the award in 2017, he began working towards it.[4] In March 2025 Chandar K was awarded the Local Hero of the Year award at the New Zealander of the Year Awards.[2]

References

  1. ^ a b c d "From New Zealand to India, a maths teacher helps students crack entrance exams — using YouTube". The Indian Express. 8 October 2023. Retrieved 21 March 2025.
  2. ^ a b c "Maths teacher, Local Hero of the Year winner's message to students and parents". RNZ. 21 March 2025. Retrieved 21 March 2025.
  3. ^ "New Zealand internet sensation Subash Chandar helps 33,000 students with NCEA maths". Newshub. Stuff. 11 September 2023. Retrieved 21 March 2025.
  4. ^ a b "Kiwi teacher finalist in million dollar teaching prize". Stuff. 30 January 2025. Retrieved 21 March 2025.
  5. ^ "Auckland mathematics teacher using technology to inspire students wins national teaching award in Wellington". Stuff. 22 February 2019. Retrieved 21 March 2025.

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