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2. Word problem (mathematics education) - Wikipedia

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

   Word problem from the Līlāvatī (12th century), with its English translation and solution. In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation.

3. Singapore math - Wikipedia

   en.wikipedia.org/wiki/Singapore_math

   By visualizing these two parts, students would simply solve the above word problem by adding both parts together to build a whole bar of 100. Conversely, a student could use whole-part model to solve a subtraction problem such as 100 - 70, by having the longer part be 70 and the whole bar be 100.

4. Word problem (mathematics) - Wikipedia

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

   The word problem for an algebra is then to determine, given two expressions (words) involving the generators and operations, whether they represent the same element of the algebra modulo the identities. The word problems for groups and semigroups can be phrased as word problems for algebras. [1]

5. 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.

6. 6 Myths About High Blood Pressure Experts Want You to Stop ...

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   5. You’re Only at Risk If You Have a Family History “A common myth is that you will not develop high blood pressure if you do not have a family history of high blood pressure or heart disease ...

7. Scarlett Johansson Says Turning 40 Feels 'So Liberating ...

   www.aol.com/scarlett-johansson-says-turning-40...

   Scarlett Johansson is 40 and feeling fine!. After hitting the big milestone on Nov. 22, the Avengers star appeared on LIVE with Kelly and Mark to discuss how it feels to be 40. “Well, it’s ...