Click the link to upload a copy of the Timed Tests. 

Addition Timed Test:  timed for 7 minutes
v2.toolboxpro.org/secure/teachers/4891/110304044108_addition_timed_test_-_2nd_grade.pdf

Subtraction Timed Test: timed for 8 minutes
v2.toolboxpro.org/secure/teachers/4891/110304044152_subtraction_timed_test_-_2nd_grade.pdf

Mastery is due by the first week of June. 
This means they must have THREE consecutive tests with a score of mastery.