Integers, say what?

Miss Saarinen's marvelous H.E.R.O.E.S are working with integers during the month of December. We first learned what it takes to be an integer and are now beginning to learn the basic operations (adding, subtracting, multiplying, and dividing) with integers.

Here are some sites to explore and to give you some practice on using the integers.

http://nlvm.usu.edu/en/nav/frames_asid_161_g_2_t_1.html - This shows the idea of using the 2-Color Chip Model for addition.

http://nlvm.usu.edu/en/nav/frames_asid_162_g_2_t_1.html - This shows the idea of using the 2-Color Chip Model for subtraction.

http://www.basic-mathematics.com/adding-integers-game.html - Adding Integers against the clock. Choose your level of difficulty.