Try these websites for practice in English:
http://www.wordcentral.com/
http://freerice.com/#/english-vocabulary/1513
http://bensguide.gpo.gov/
http://www.arcademicskillbuilders.com/
http://www.starfall.com/
http://fog.ccsf.cc.ca.us/~lfried/activity/listening.html
http://fog.ccsf.cc.ca.us/~lfried/stories/stories.html
http://www.everythingesl.net/
http://www.eslcafe.com/
http://a4esl.org/
http://www.manythings.org/
http://freerice.com/#/english-vocabulary/1513
http://bensguide.gpo.gov/
http://www.arcademicskillbuilders.com/
http://www.starfall.com/
http://fog.ccsf.cc.ca.us/~lfried/activity/listening.html
http://fog.ccsf.cc.ca.us/~lfried/stories/stories.html
http://www.everythingesl.net/
http://www.eslcafe.com/
http://a4esl.org/
http://www.manythings.org/
Math:
Watch a math video or take a practice test:
https://www.pearsonsuccessnet.com/
Improve your math facts:
http://xtramath.org/signin/student
Play fun games to practice math facts:
http://www.sumdog.com/
Math practice:
www.mobymax.com/wi2158
Spelling:
3rd - 4th - 5th grade spelling lists:
https://www.spellingcity.com/tsybeldon/
Reading:
Read a book:
http://new.benchmarkuniverse.com/
Reading practice:
www.mobymax.com/wi2158
Vocabulary practice:
www.mobymax.com/wi2158
Watch a math video or take a practice test:
https://www.pearsonsuccessnet.com/
Improve your math facts:
http://xtramath.org/signin/student
Play fun games to practice math facts:
http://www.sumdog.com/
Math practice:
www.mobymax.com/wi2158
Spelling:
3rd - 4th - 5th grade spelling lists:
https://www.spellingcity.com/tsybeldon/
Reading:
Read a book:
http://new.benchmarkuniverse.com/
Reading practice:
www.mobymax.com/wi2158
Vocabulary practice:
www.mobymax.com/wi2158