This is an introduction to a RULER, and new concepts like length, inches and centimeters were also introduced. We have done measuring activ...

Creating sets by sorting is for me a fundamental basis of virtual mathematics.  A set is basically a collection of objects with distinct pro...

(Click the image for the link) Due to some request, I made a copy of my Solar System and Astronomy Cards at Sellfy.  The file is now up!  ...

We're doing  lots of art work for the past few days as we've been busy with school events (no time to brainstorm for other subjects...