English Language Arts Practice Test: http://mcas.pearsonsupport.com/resources/student/practice-tests-ela/Gr10-ELA.pdf

Mathematics Practice Test:

http://mcas.pearsonsupport.com/resources/student/practice-tests-math/Gr10-Math.pdf

Intro Physics Practice Test:

http://mcas.pearsonsupport.com/resources/student/practice-tests-science/HS-Physics.pdf

Math student work and scoring:

http://www.doe.mass.edu/mcas/student/2017/question.aspx?GradeID=10&SubjectCode=mth

English student work and scoring:

http://www.doe.mass.edu/mcas/student/2017/question.aspx?GradeID=10&SubjectCode=ela&QuestionTypeCode=wp

http://www.doe.mass.edu/mcas/student/2017/question.aspx?GradeID=10&SubjectCode=ela&QuestionTypeCode=or,sr,es

Intro physics student work and scoring:

http://www.doe.mass.edu/mcas/student/2017/question.aspx?GradeID=100&SubjectCode=phy_hs