Links

Chapter 12: Integers

Adding Integers with Virtual Counters
http://nlvm.usu.edu/en/nav/frames_asid_161_g_2_t_1.html
This link allows the user to use two–coloured counters to calculate integer sums.

Integer Addition Game
www.funbrain.com/cgi-bin/nl.cgi?A1=s&A2=2
This links to a game to practice integer addition on a number line.

Integer Picture
http://www.dositey.com/addsub/Mystery11.htm
This links to a quick game where users calculate with integers in order to see a picture.

Integer Practice Game
www.shodor.org/interactivate/activities/ArithmeticFour
This game allows users to choose which integer operations to practice. Speed is an element of the game.

Subtracting Integers with Virtual Counters
http://nlvm.usu.edu/en/nav/frames_asid_162_g_2_t_1.html
This link allows the user to use two–coloured counters to calculate integer differences.