Math
https://www.ixl.com/math/grade-4/multiplication-facts-to-12
http://www.multiplication.com/games/play/quick-flash-ii
http://www.multiplication.com/games/play/math-multiplication-adventure
http://www.oswego.org/ocsd-web/games/Mathmagician/mathsmulti.html
Science
Padlet
http://padlet.com/130768/y14baa8dwkn4
Reading
http://wonderopolis.org/wonders?q=thanksgiving