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A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios and addition, subtraction, and commonly multiplication. It is also known as a divided bar model, fraction strip, length model or strip diagram.
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.
A subtraction problem such as is solved by borrowing a 10 from the tens place to add to the ones place in order to facilitate the subtraction. Subtracting 9 from 6 involves borrowing a 10 from the tens place, making the problem into 70 + 16 − 39 {\displaystyle 70+16-39} .
A polygon is a 2-dimensional example of the more general polytope in any number of dimensions. A circle is a simple shape of two-dimensional geometry that is the set of all points in a plane that are at a given distance from a given point, the center.The distance between any of the points and the center is called the radius. It can also be ...
DreamBox Learning Math teaches students grades K-8 various mathematical subjects, such as addition, subtraction, multiplication, division, fractions, geometry, and algebra. The program utilizes an algorithm to determine if the user is able to understand certain lessons.
2.5Lernen 17 3 In Bildern denken 19 3.1 Mentale Bilder 19 3.2 Bilder verknüpfen 20 4 Routenmethode25 4.1 Die wichtigste Methode 25 4.2 Die Simonides Legende 25 4.3 Die Körperroute 26 4.4 Die Route benutzen 27 4.5 Regeln für weitere Routen 31 5 Zahlen merken 34 5.1 Zahlen in Bilder umwandeln 34 5.2 Zahlenbilder verwenden 35
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