At the Top, Burj Khalifa. Fact Sheet. Retrieved from https://www.burjkhalifa.ae/en/assets/FACT-SHEET.pdf
Unit 3: Fracciones y decimales
Lesson Grado6acelerado.3.B6
Swatman, Rachel. (2016, February 2). "Indian Women Make Largest Crochet Blanket Ever Then Donate it to Charity." Guinness World Records. https://www.guinnessworldrecords.com/news/indian-news/2016/2/indian-women-make-largest-crochet-blanket-ever-then-donate-it-to-charity-415230.
Unit 4: Ecuaciones y expresiones
Lesson Grado6acelerado.4.C12
Tahan, Malba (1993). The Man Who Counted: A Collection of Mathematical Adventures. New York: W.W. Norton & Co. pp. 113–115.