HOUSTON (KTRK) -- A mental math system developed in the 1800's is helping some local students ace standardized tests and win math competitions. But the method isn't taught in most Houston schools.

Patterns were mostly left out of the common-core math standards in the early grades (kindergarten and 1st grade) due to a lack of evidence that they helped children understand later math concepts.

A Singapore math problem has gone viral, leaving many asking, "When is Cheryl's Birthday?" ABC News' Gio Benitez solves the puzzle in a step-by-step video guide.

A love of order and pattern sometimes occurs naturally, but it can also emerge from play. That early training may encourage a stronger enjoyment of math later in life. Scientific Reports , 2018 ...