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Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [4]
It is the developer of the 2011 and 2022 Prodigy Math, a roleplaying game where players solve math problems to participate in battles and cast spells, and Prodigy English, a sandbox game where players answer English questions to earn currency to gain items. Although each game is standalone, both are accessible through a single Prodigy account.
The player takes the role of a wizard or witch, who, whilst undertaking quests to collect gems, must battle against the Puppet Master. These quests usually involve battling monsters in different areas of the in-game map. To participate in these quests, players must correctly answer math problems to cast spells. Prodigy Math was released in 2011 ...
This is a timeline of pure and applied mathematics history.It is divided here into three stages, corresponding to stages in the development of mathematical notation: a "rhetorical" stage in which calculations are described purely by words, a "syncopated" stage in which quantities and common algebraic operations are beginning to be represented by symbolic abbreviations, and finally a "symbolic ...
The first calendar allegedly dates back to 8th century BC during the Roman Kingdom and included 356 days plus a leap year every other year. [98] In contrast, the lunar calendar of the Republican era contained 355 days, roughly ten-and-one-fourth days shorter than the solar year , a discrepancy that was solved by adding an extra month into the ...
In 1887, Atlanta pioneer Richard Peters donated to the state 4 acres (1.6 ha) of the site of a failed garden suburb called Peters Park. The site was bounded on the south by North Avenue, and on the west by Cherry Street. [1] He then sold five adjoining acres of land to the state for US$10,000, (equivalent to $340,000 in 2023). [1]
Both Plato and Homer mention board games called 'petteia' (games played with 'pessoi', i.e. 'pieces' or 'men'). According to Plato, they are all Egyptian in origin. The name 'petteia' seems to be a generic term for board game and refers to various games. One such game was called 'poleis' (city states) and was a game of battle on a checkered ...
The history of Atlanta dates back to 1836, when Georgia decided to build a railroad to the U.S. Midwest and a location was chosen to be the line's terminus. The stake marking the founding of "Terminus" was driven into the ground in 1837 (called the Zero Mile Post). In 1839, homes and a store were built there and the settlement grew.