Grammar Exercises:
http://www.studyzone.org/mtestprep/ela6.cfm#Writing Conventions
Subject Predicate and Context Clues
http://www.studyzone.org/mtestprep/ela8/c/contextclues6l.cfm
Root Words, Prefixes, and Suffixes
http://www.studyzone.org/mtestprep/ela8/c/roots6l.cfm
Contractions and Compound
http://www.studyzone.org/mtestprep/ela8/c/contractcompound6l.cfm
Homophones
http://www.studyzone.org/mtestprep/ela8/c/homophones6l.cfm
Punctuation
http://www.bbc.co.uk/skillswise/topic/punctuation
Making sentences Game
http://www.bbc.co.uk/skillswise/game/en30stru-game-logging-sentences
Spelling- common pattern
http://www.bbc.co.uk/skillswise/topic/common-letter-patterns
Plurals
http://www.bbc.co.uk/skillswise/topic/plurals
Reading comprehension
http://www.bbc.co.uk/skillswise/topic/recognising-letters-and-words