You can use this document as a worksheet or quiz for the distributive property, combining like terms and matrices. There are 9 combining like terms/distributing problems and 7 matrix problems. There are 3 extra credit problems at the end. Answer key is not included.
The other version (exact same type of problems, different numbers) of this worksheet can be found here:
Link-Combining Like Terms, Distributive Property, and Matrices Worksheet B