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2. Subtraction - Wikipedia

   en.wikipedia.org/wiki/Subtraction

   Subtraction is an operation that represents removal of objects from a collection. [1] For example, in the adjacent picture, there are 5 − 2 peaches—meaning 5 peaches with 2 taken away, resulting in a total of 3 peaches. Therefore, the difference of 5 and 2 is 3; that is, 5 − 2 = 3.

3. Tally marks - Wikipedia

   en.wikipedia.org/wiki/Tally_marks

   Tally marks, also called hash marks, are a form of numeral used for counting. They can be thought of as a unary numeral system. They are most useful in counting or tallying ongoing results, such as the score in a game or sport, as no intermediate results need to be erased or discarded. However, because of the length of large numbers, tallies ...

4. Mathematics - Wikipedia

   en.wikipedia.org/wiki/Mathematics

   Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself. There are many areas of mathematics, which include number theory (the study of numbers), algebra (the study of formulas and related structures), geometry (the study ...

5. Ordinal numeral - Wikipedia

   en.wikipedia.org/wiki/Ordinal_numeral

   Cardinal versus ordinal numbers. In linguistics, ordinal numerals or ordinal number words are words representing position or rank in a sequential order; the order may be of size, importance, chronology, and so on (e.g., "third", "tertiary"). They differ from cardinal numerals, which represent quantity (e.g., "three") and other types of numerals.

6. Word problem (mathematics) - Wikipedia

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

   Word problem (mathematics) Decision problem pertaining to equivalence of expressions. In computational mathematics, a word problem is the problem of deciding whether two given expressions are equivalent with respect to a set of rewriting identities. A prototypical example is the word problem for groups, but there are many other instances as well.

7. Some GOP-led states won't allow federal poll monitors at ...

   www.aol.com/gop-led-states-wont-allow-184048144.html

   Harris County Attorney Christian Menefee, who signed on to the letter, pushed back against the state inspectors that will be deployed by the Texas secretary of state's office, telling ABC News he ...

8. Decimal - Wikipedia

   en.wikipedia.org/wiki/Decimal

   The decimal numeral system (also called the base-ten positional numeral system and denary / ˈdiːnəri / [1] or decanary) is the standard system for denoting integer and non-integer numbers. It is the extension to non-integer numbers (decimal fractions) of the Hindu–Arabic numeral system. The way of denoting numbers in the decimal system is ...

9. Lilly's weight-loss drug removed from FDA's shortage list - AOL

   www.aol.com/news/us-fda-says-lillys-weight...

   October 3, 2024 at 5:59 AM. (Reuters) -The U.S. Food and Drug Administration removed Eli Lilly's blockbuster weight-loss and diabetes drugs from its shortage list late on Wednesday, likely piling ...