Reading

https://readtheory.org/https://readtheory.org/

https://www.readworks.org/

 

Math

https://www.khanacademy.org/

http://www.math.com/students/practice.html

https://www.math-drills.com/

https://mafs.mathgames.com/

https://www.ipracticemath.com/

https://www.homeschoolmath.net/online/curricula.php

https://www.mathplanet.com/

https://www.splashlearn.com/math-skills/kindergarten-grade/numbers-up-to-5-gk/represent-numbers?from_page=Home

http://www.sheppardsoftware.com/math.htm

https://www.k5learning.com/free-math-worksheets

 

Math Games

http://www.mathblaster.com/teachers/math-practice

https://www.mathsisfun.com/worksheets/

https://www.coolmath.com/

https://www.prodigygame.com/

 

Standardize Test Preparation/College Readiness

https://collegereadiness.collegeboard.org/sat/practice

https://blog.prepscholar.com/printable-sat-practice-tests-4-free-official-tests

https://www.kaptest.com/sat/free/sat-practice

https://www.act.org/content/act/en/products-and-services/the-act/test-preparation/reading-practice-test-questions.html

https://www.crackact.com/act/reading/

https://www.varsitytutors.com/act_reading-practice-tests