Introducing Teen Numbers with Cuisenaire Rods - Math Video
Miquon math ideas
A Mathematician's Lament: How School Cheats Us Out of Our... https://www.amazon.com/dp/1934137170/ref=cm_sw_r_pi_dp_x_PED7xb645VZQA
Ray's New Primary Arithmetic for Young Learners
The Primary Arithmetic: Oral and Written - Frank H. Hall - Google Books
The LEGO MINDSTORMS EV3 Discovery Book (Full Color): A Beginner's Guide to Building and Programming Robots: Laurens Valk: 9781593275327: Amazon.com: Books
For many kids, math can be quite difficult.