Nasco Integer Flash Cards - Addition & Subtraction
Product Number: TB22823
In Stock (Ships within 1-2 business days)
By Christine A. Koers, BS, MS.
Practice basic mathematical functions using both positive and negative numbers. Set includes 48 integer flash cards and five challenge flash cards. One math problem per side. The answer can be found on the back of the card in the corner. Grade 5 and up.