HMH Ed
(students can access reading MyBook online with their login credentials)
 https://www.hmhco.com/one/login/?state=https%3A%2F%2Fwww.hmhco.com%2Fone%2F%23%2Fdiscover%2FELA_IR_G3_NA

abcya 
(math, reading, and strategy games that can be used for practice at home) 
https://www.abcya.com/grades/3