Cuisenaire rods - something went horribly wrong for me with Maths after this stage...
Cuisenaire Rods Poster from Mrs Davidson's Resources on TeachersNotebook.com - (1 page) - Do you use Cuisenaire Rods to teach math? This poster is a great visual for you students. It provides a picture of each Cuisenaire Rod, its color, and its value.
Cuisenaire rod activities for math
Elementary Matters: Learning Math Facts With Cuisenaire Rods and a Freebie