Veelmaa,A. (2008). Pythagorase teoreemi erinevaid tõestusi. [www] http://web.zone.ee/veelmaaallar/pythagoras.pdf (06.04.2016)
Veelmaa,A.(2007). Täisnurkne kolmnurk. [www] http://www.hot.ee/matetestid/tiigrihype/tkolmnurk.htm (06.04.2016)
Veelmaa,A. (2007). Kolmnurga lahendamine. [www] http://www.hot.ee/matetestid/tiigrihype/kolmnurk.htm (06.04.2016)
Math Interactives.[www] http://bit.ly/NyxpjJ (06.04.2016)
Kaldmäe, K., Kontson, A., Matiisen,K., Pais,E. (2014). Matemaatika õpik 9. klassile II osa. Tallinn: Avita
Pythagoras in 2 minutes. [www] https://www.youtube.com/watch?v=uaj0XcLtN5c (06.04.2016)
Pythagorean Theorem Proof. [www] https://www.youtube.com/watch?v=kBw_i6tlQfU (06.04.2016)
Colin Dodds - Pythagorean Theorem.(Math Song) [www] https://www.youtube.com/watch?v=l8-bnZh8Zuc (06.04.2016)
The Best Pythagorean Theorem Rap Ever. [www] https://www.youtube.com/watch?v=nbopLhP4kpo (06.04.2016)
Rock on Pythagoras.[www] https://www.youtube.com/watch?v=9UK0DVgRTl8 (06.04.2016)
Teravnurga siinus, koosinus ja tangens. [www] http://www.slideboom.com/presentations/518444/sin_cos_tan (06.04.2016)
Teravnurga siinus, koosinus ja tangens taskuarvutil. [www] http://www.slideboom.com/presentations/516732/taskuarvuti (06.04.2016)
Nurga mõõtmine. [www] http://www.slideboom.com/presentations/516716/Nurga-m%C3%B5%C3%B5tmine (06.04.2016)
Õpetaja töökava näidis matemaatika (9.kl). [www] http://www.oppekava.ee/index.php/%C3%95petaja_t%C3%B6%C3%B6kava_n%C3%A4idis_matemaatika_(9._klass)
Pythagorean Theorem. [www] https://www.brainingcamp.com/content/pythagorean-theorem/index.html (08.04.2016)
Pythagorena Theorem Jeopardy. [www] http://www.math-play.com/Pythagorean-Theorem-Jeopardy/Pythagorean-Theorem-Jeopardy.html (08.04.2016)
Math games. [www] http://www.mathgames.com/geometry (08.04.2016)
Pythagorean Theoreme Jeopardi. https://www.quia.com/cb/278769.html?AP_rand=1195622674 (08.04.2016)
Purjekas.Vikipeedia. [www] https://et.wikipedia.org/wiki/Purjekas (08.04.2016)
Puri.Vikipeedia. [www] https://et.wikipedia.org/wiki/Puri (08.04.2016)
Jonnie´s Middle School Math. [www] http://jmathpage.com/middleschoolmath/jmsmgeometry.html (08.04.2016)
Math4children. [www] http://www.math4children.com/games-k-to-6/5th%20grade/pythagorean%20theorem/ (08.04.2016)
Play math, love math. [www] https://www.mangahigh.com/en/ (08.04.2016)
Pythagorean Theorem. [www] https://youtu.be/AhFjfCdG61Y (08.04.2016)
Auanika (2010) [Pilt]
Veelmaa,A.(2007). Täisnurkne kolmnurk. [www] http://www.hot.ee/matetestid/tiigrihype/tkolmnurk.htm (06.04.2016)
Veelmaa,A. (2007). Kolmnurga lahendamine. [www] http://www.hot.ee/matetestid/tiigrihype/kolmnurk.htm (06.04.2016)
Math Interactives.[www] http://bit.ly/NyxpjJ (06.04.2016)
Kaldmäe, K., Kontson, A., Matiisen,K., Pais,E. (2014). Matemaatika õpik 9. klassile II osa. Tallinn: Avita
Pythagoras in 2 minutes. [www] https://www.youtube.com/watch?v=uaj0XcLtN5c (06.04.2016)
Pythagorean Theorem Proof. [www] https://www.youtube.com/watch?v=kBw_i6tlQfU (06.04.2016)
Colin Dodds - Pythagorean Theorem.(Math Song) [www] https://www.youtube.com/watch?v=l8-bnZh8Zuc (06.04.2016)
The Best Pythagorean Theorem Rap Ever. [www] https://www.youtube.com/watch?v=nbopLhP4kpo (06.04.2016)
Rock on Pythagoras.[www] https://www.youtube.com/watch?v=9UK0DVgRTl8 (06.04.2016)
Teravnurga siinus, koosinus ja tangens. [www] http://www.slideboom.com/presentations/518444/sin_cos_tan (06.04.2016)
Teravnurga siinus, koosinus ja tangens taskuarvutil. [www] http://www.slideboom.com/presentations/516732/taskuarvuti (06.04.2016)
Nurga mõõtmine. [www] http://www.slideboom.com/presentations/516716/Nurga-m%C3%B5%C3%B5tmine (06.04.2016)
Õpetaja töökava näidis matemaatika (9.kl). [www] http://www.oppekava.ee/index.php/%C3%95petaja_t%C3%B6%C3%B6kava_n%C3%A4idis_matemaatika_(9._klass)
Pythagorean Theorem. [www] https://www.brainingcamp.com/content/pythagorean-theorem/index.html (08.04.2016)
Pythagorena Theorem Jeopardy. [www] http://www.math-play.com/Pythagorean-Theorem-Jeopardy/Pythagorean-Theorem-Jeopardy.html (08.04.2016)
Math games. [www] http://www.mathgames.com/geometry (08.04.2016)
Pythagorean Theoreme Jeopardi. https://www.quia.com/cb/278769.html?AP_rand=1195622674 (08.04.2016)
Purjekas.Vikipeedia. [www] https://et.wikipedia.org/wiki/Purjekas (08.04.2016)
Puri.Vikipeedia. [www] https://et.wikipedia.org/wiki/Puri (08.04.2016)
Jonnie´s Middle School Math. [www] http://jmathpage.com/middleschoolmath/jmsmgeometry.html (08.04.2016)
Math4children. [www] http://www.math4children.com/games-k-to-6/5th%20grade/pythagorean%20theorem/ (08.04.2016)
Play math, love math. [www] https://www.mangahigh.com/en/ (08.04.2016)
Pythagorean Theorem. [www] https://youtu.be/AhFjfCdG61Y (08.04.2016)
Auanika (2010) [Pilt]