Grade 7 - Useful Links:
Order of operations:
www.funbrain.com/cgi-bin/alg.cgi
Video on square roots:
http://videos.howstuffworks.com/people/square-root-videos-playlist.htm#video-7988
Picturing square numbers
http://nrich.maths.org/2275&part=note
Exponent game:
http://www.math-play.com/exponent-game.html
www.funbrain.com/cgi-bin/alg.cgi
Video on square roots:
http://videos.howstuffworks.com/people/square-root-videos-playlist.htm#video-7988
Picturing square numbers
http://nrich.maths.org/2275&part=note
Exponent game:
http://www.math-play.com/exponent-game.html