For more on the Lexical Approach see other articles on the TE website:
Language Labs from Behaviourism to date
Methodologies and Approaches in ELT
Pre-intermediate: Rubberman (a preposition story) Note - Using cuisinnaire rods and small classroom objects
Mark Hancock's Map of ELT revised
Doug Lemov Coaching
Suggestopedia - Wikipedia
Whatever happened to the 3rd P? - PaulEmmerson.com - Business English Ideas Bank
TESOL Toolkit by Dave Hopkins
L2 in the Wild
If you are new to TPR, I think you will especially enjoy this excerpt from Dr. Francisco J Cabello's book.
The Map is Not the Territory
Cuisenaire Rods - Learning the Rods, Preschool Math Games - Math Video
Gattegno videos (Cuisinaire methods)
Here's a post with lots of suggestions for using Cuisenaire rods.
-boy do we love our c.rods in this house, they are always out it seems but I never thought! fractions and cuisinaire rods!
EquivalentFractionsPatternBlocks ...i've never thought about this...
Traditional Multiplication algorithm using cuisinaire rods.
A Traveler In The Foreign Service: 10 Tips On How To Get Into The Foreign Service