Featured Math Skill: January 6, 2016 by charleneyvett Events > 2016 > January > Featured Math Skill:About this event:Created by charleneyvettTook place on January 7, 2016 from 8:30 am to 9:30 am This morning, a large group of students worked together on dynamic subtraction and division. Two girls made a math maze. They counted by units to 10, by 10s to 100, by 100’s to 1000.