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  2. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    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]

  3. Fifth grade - Wikipedia

    en.wikipedia.org/wiki/Fifth_grade

    Fifth grade (also 5th Grade or Grade 5) is the fifth or sixth year of formal or compulsory education. In the United States, this is mostly the last grade of primary school, but for some states, it could be the first year of middle school. Primary school generally goes from Kindergarten and ends in fifth or sixth grade. Students in fifth grade ...

  4. Are You Smarter than a 5th Grader? - Wikipedia

    en.wikipedia.org/wiki/Are_You_Smarter_than_a_5th...

    The main fifth-grade questions are removed, and the only one from that grade was the bonus question. Contestants must start at the first grade and cannot skip a grade. At least one question from each grade must be answered or have used a cheat on, 1 to 3, before they can roam the board freely. The "Save" has been removed.

  5. Flashcard - Wikipedia

    en.wikipedia.org/wiki/Flashcard

    Paper flashcards have been used since at least the 19th century. Reading Disentangled (1834), a set of phonics flashcards by English educator Favell Lee Mortimer, is believed by some to be the first known usage of flashcards. [5] A single-sided hornbook was also known to have been used for early literacy education.

  6. Fifth Amendment to the United States Constitution - Wikipedia

    en.wikipedia.org/wiki/Fifth_Amendment_to_the...

    The amendment as proposed by Congress in 1789 and ratified by the states: No person shall be held to answer for a capital, or otherwise infamous crime, unless on a presentment or indictment of a Grand Jury, except in cases arising in the land or naval forces, or in the Militia, when in actual service in time of war or public danger; nor shall any person be subject for the same offence to be ...

  7. Augmented reality - Wikipedia

    en.wikipedia.org/wiki/Augmented_reality

    [10] [11] [12] Augmented reality can be used to enhance natural environments or situations and offers perceptually enriched experiences. With the help of advanced AR technologies (e.g. adding computer vision , incorporating AR cameras into smartphone applications, and object recognition ) the information about the surrounding real world of the ...

  8. Panic of 1819 - Wikipedia

    en.wikipedia.org/wiki/Panic_of_1819

    With the failure to recharter the First Bank of the United States in 1811, [16] regulatory influence over state banks ceased. Credit-friendly Republicans—entrepreneurs, bankers, farmers—adapted laissez-faire financial principles to the precepts of Jeffersonian political libertarianism [17] —equating land speculation with "rugged individualism" [18] and the frontier spirit.

  9. Glossary of engineering: A–L - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_engineering:_A–L

    In mathematics, an arithmetic progression (AP) or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant. Difference here means the second minus the first. For instance, the sequence 5, 7, 9, 11, 13, 15, . . . is an arithmetic progression with common difference of 2. Aromatic hydrocarbon