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A double fact in math is a doubled value that is easy to remember, such as the equation "8 + 8 = 16." Any doubled number is a double fact, but double facts are most commonly used when they are small numbers, usually less than 12.


The competition associated with First in Math is called the 24 Challenge, and it is a four-round game in which students in schools nationwide earn points determining patterns and solving math problems from a deck of cards. Both the number of cards played and the points ...


Four squared in math is 16, as any number squared is multiplied by itself. Another way to express four squared is to say four to the second power.


A trend in mathematics is a pattern in a set of data points. Knowing the trend allows outcomes to be predicted by a mathematical model. Estimating the trend of data requires a technique known as regression or curve fitting.


ABCya! math consists of educational online games and mobile applications that aim at enhancing the numerical skills of children. ABCya! offers learning games with a focus on numbers and the practice of math facts.


Employment website Indeed reports that the average salary of a mathematics teacher in the United States at any educational level is $55,000, as of 2014. For a high school math teacher, the average salary is $43,000.


As a general rule of thumb, numbers should be rounded down if the final digit in a number is from 0 to 4, and rounded up if it's 5 to 9. Rounding sometimes involves more than one digit; some situations may call for rounding to the nearest hundred or thousand.