Resources
Unit 2:
Smart Notebook with base 10 manipulatives
Smart Notebook with base 5 manipulatives
A site where you can find printable grid paper.
The buiilding with blocks applet
The site with the array multiplication applet (Rectangle Multiplication)
Unit 3:
Fraction applet for comparing with fraction circles
Fraction applet for comparing with fraction bars
Smart Notebook with fraction shapes (vid showing how the square grid page works)