To get an internal sense of how numbers relate to each other, students can practice working with number lines.

As parents, we try. We worry. We wonder if we’re doing enough. Are they learning what they should? Are they falling behind?

"MS" and "13" are the most recognizable symbols, often tattooed in Gothic script. The number "13" signifies the gang's affiliation with the Mexican Mafia, as "M" is the 13th letter of the alphabet.

MS-13' is now spelled across the knuckles in the photo Trump posted. However, those letters and numbers are digitally added on and Pam Bondi made no mention of any tattoos representing the ...

The tattoos appears to be a marijuana leaf, a smile and the number 13.” That point was similarly emphasized by radio host Jorge Bonilla, who remarked, “How thoughtful of President @nayibbukele ...

We spent the last few months asking each Utah Hockey Club player how he chose his number. Note that there are a few missing — some tend to slip out of the locker room faster than others after practice ...