Free, quick, and easy to grade. My students improved from 47% to 63% proficient or advanced on the California State Test the year that I added 6 Algebra 1 mastery tests to my Algebra 2 curriculum (2011). I no longer teach Algebra 1 so I don’t have data for that. This file includes a 10 question Mastery Test on addition of integers, a 10 question Mastery Test on subtraction of integers, and both answer keys. The questions have been carefully designed to cover all aspects of a topic using probl