This is how I adapt the 100's Chart Grid to aid students who have tracking difficulties by color coding the ending number and the first number in the next row the same color. You must admit when students are first introduced to this grid... knowing the correct way to read the 1- 100 sequence is not easy. It's so easy to lose your visual tracking as you leave _0 and track your eyes to the new row of _1.
I also use a huge number chart and allow the students to walk on top of the chart to stimulate how their eyes must travel. This really helps students and it is a lot of fun too. In a K/1 or 1/2 Multigrade classroom, these visuals aid the teacher while differentiate instruction for the younger students in the class.