## There is a great website with manipulatives.

The main website link is:

http://nlvm.usu.edu/en/nav/vlibrary.html

(National Library of Virtual Manipulatives)

For specialized programs, check out the following.

**Percentages!**

http://nlvm.usu.edu/en/nav/frames_asid_160_g_3_t_1.html?open=activities

**Factoring (factor tree)**

http://nlvm.usu.edu/en/nav/frames_asid_202_g_3_t_2.html

**Equation solving**

http://nlvm.usu.edu/en/nav/frames_asid_324_g_3_t_2.html?open=instructions

**Addition of integers...**

http://nlvm.usu.edu/en/nav/frames_asid_161_g_2_t_1.html

**Subtraction of integers**

http://nlvm.usu.edu/en/nav/frames_asid_162_g_2_t_1.html

**Algebra Tiles**

http://nlvm.usu.edu/en/nav/frames_asid_189_g_3_t_2.html?open=activities&from=category_g_3_t_2.html

Other sites have helpfull information such as:

**Squares and Square Roots.**

http://www.321know.com/g8-eval-exp.htm

**For
extra practice on different topics, try the lessons below. You will
find that there is a video with instructions and then a quiz to check
for understanding.**

More topics will be posted as the modules are created!