If you are looking Math related materials in the Curriculum Department, here's a good place to start!
On this page you will find links to various Handy Topics that may be of interest to you. These guides contain lists of many of the materials housed in the Curriculum Department, broken down by topic and material type.
List of all of the items in the Math Manipulative collection.
Note: there are items in other collections that contain manipulatives. Please check the other categories listed on this page, especially those specific to the topic you are interested in.
Materials in other collections that highlight math manipulatives