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  2. Number sentence - Wikipedia

    en.wikipedia.org/wiki/Number_sentence

    A valid number sentence that is true: 83 + 19 = 102. A valid number sentence that is false: 1 + 1 = 3. A valid number sentence using a 'less than' symbol: 3 + 6 < 10. A valid number sentence using a 'more than' symbol: 3 + 9 > 11. An example from a lesson plan: [6] Some students will use a direct computational approach.

  3. Word problem (mathematics education) - Wikipedia

    en.wikipedia.org/wiki/Word_problem_(mathematics...

    For instance, if the one solving the math word problem has a limited understanding of the language (English, Spanish, etc.) they are more likely to not understand what the problem is even asking. In Example 1 (above), if one does not comprehend the definition of the word "spent," they will misunderstand the entire purpose of the word problem.

  4. List of undecidable problems - Wikipedia

    en.wikipedia.org/wiki/List_of_undecidable_problems

    The halting problem (determining whether a Turing machine halts on a given input) and the mortality problem (determining whether it halts for every starting configuration). Determining whether a Turing machine is a busy beaver champion (i.e., is the longest-running among halting Turing machines with the same number of states and symbols).

  5. Investigations in Numbers, Data, and Space - Wikipedia

    en.wikipedia.org/wiki/Investigations_in_Numbers...

    Investigations was developed between 1990 and 1998. It was just one of a number of reform mathematics curricula initially funded by a National Science Foundation grant. The goals of the project raised opposition to the curriculum from critics (both parents and mathematics teachers) who objected to the emphasis on conceptual learning instead of instruction in more recognized specific methods ...

  6. Ages of Three Children puzzle - Wikipedia

    en.wikipedia.org/wiki/Ages_of_Three_Children_puzzle

    The Ages of Three Children puzzle (sometimes referred to as the Census-Taker Problem [1]) is a logical puzzle in number theory which on first inspection seems to have insufficient information to solve. However, with closer examination and persistence by the solver, the question reveals its hidden mathematical clues, especially when the solver ...

  7. World’s oldest person Tomiko Itooka dies; Brazilian nun now ...

    www.aol.com/news/world-oldest-person-tomiko...

    Tomiko Itooka, a 116-year-old Japanese woman who became the oldest living person in August 2024, died on Dec. 29, 2024, according to Guinness World Records.

  8. College Football Playoff players to watch, key to the Peach ...

    www.aol.com/sports/college-football-playoff...

    The first game of 2025 will happen in Atlanta as a former Big 12 team in its first year in the SEC will meet a former Pac-12 team in its first year in the Big 12.

  9. Trump plans to scrap policy restricting ICE arrests at ...

    www.aol.com/trump-plans-scrap-policy-restricting...

    In 2019, there were a least 46 people staying in churches across 15 states, according to Church World Service, a faith-based organization that tracked the number of sanctuary seekers in America ...

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