Customers can buy Math-U-See blocks and items off of the product's website at Store.MathUSee.com. They can also purchase Math-U-See products at Amazon.com and ExodusBooks.com. To purchase Math-U-See products off of these websites, the buyer needs to first create personal website accounts.
Products on the Math-U-See website include manipulatives such as the Integer Block Kit, Fraction Overlays and Algebra/Decimal Inserts. Entries include product descriptions, prices and a quantity box where the buyer can add the items to an online shopping cart. Buyers can click on the Login button on the top of the page to carry out online purchases.
Buyers can locate Math-U-See products on Amazon.com by typing in Math U See Manipulatives (Starter Set) into the search engine.
Exodus Books sells the Math-U-See Starter Block Set that consists of an 86-piece set of base 10 stacking blocks. The catalog page enumerates the numbers of each color. As of 2015, Exodus Books does not sell the blocks new, and so buyers need to get them used through the website. Buyers can create accounts to purchase the items by clicking on the My Account button at the top right-hand corner of the website, and then by adding email addresses and creating passwords.