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If you struggled through  authentic jerseys<a href="http://www.authentic-jerseys.cc/">cheap authentic jerseys </a>  high school algebra, you probably thought you simply weren't born good at math. You might have been right, at least according to a new study by Johns Hopkins University psychologists that suggests that math ability is linked to your inborn "number sense."

Also known as "approximate number system," number sense is inherent in all animals including humans. It's what we use to instantly estimate how many people are in a reebok nfl jerseys<a href="www.authentic-jerseys.cc/NFL-Jerseys-c153//">cheapest nfl jerseys </a> meeting or how many free seats are in a movie theater. Animals use it to figure out where the most plants or game are and to track how much food they've gathered.

Now scientists have measured number sense in preschoolers — who are too young to have received any formal math education — and linked it to performance of tests of math ability. "The relationship between 'number sense' and math ability is important and intriguing because we believe that  2011 baltimore ravens  <a href="http://www.authentic-jerseys.cc/Baltimore-ravens--s765//">baltimore ravens jerseys</a>'number sense' is universal, whereas math ability has been thought to be highly dependent on culture and language and takes many years to learn," said study author Melissa Libertus in a statement.

Past research has associated number sense with math ability in older children, but the Libertus and her team's study involved 200 younger children with an average age of 4. The children were given number sense test that involved viewing groups of blue and yellow dots on a computer screen and estimating which color group had more dots. (You can take the test here.)