Place Value
Forms of Numbers - Tara Fox

Adding and Subtracting Strategies
adding and subtracting on an OPEN NUMBER LINE - Buffy Gajeske
adding and subtracting using a HUNDREDS CHART - Darla Gaspard
adding with regrouping using PICTORIAL MODELS - Amy Harris
subtracting with regrouping using PICTORIAL MODELS - Amy Harris

Multiplication Strategies
multiplication using different strategies - Amy Harris 

Geometry
characteristics (attributes) of 3-D shapes (geometric solids) - Ashley Causey

Measurement
how to teach students to measure objects using inches and centimeters - Ashley Causey