Li’l Jacob

 In a previous post I had written about a structure that I am planning to teach to a group of fourth graders next month.  There's a fun folding trick to it that feels like magic: its two panels flex in such a way that allows the front and back covers to reverse positions, and it offers two different configurations of the…

Jacob’s Ladder Details

Time to finish up this Jacob's Ladder. I had it in mind to develop this way of working with the Jacob's Ladder so that it could be replicated by others, but it's just way too specific and involved for me to actually encourage someone it do what I've done here. Rather than being a project to…

A Jacob’s Ladder Number Line, in Progress

I'm working on another number line. What I liked most about the last one that I worked on was how it was able to change, showing different parts of the number line, showing different scaling options. It occurred  to me that making number line that is also a Jacob's Ladder, which shows changing faces, might be fun.…