Attribute blocks: http://nlvm.usu.edu/en/nav/frames_asid_270_g_2_t_3.html?open=instructions

Attribute trains: http://nlvm.usu.edu/en/nav/frames_asid_270_g_2_t_3.html?open=instructions

Pattern blocks: http://nlvm.usu.edu/en/nav/frames_asid_170_g_2_t_3.html?open=activities

Base blocks:  http://nlvm.usu.edu/en/nav/frames_asid_152_g_1_t_1.html

Base blocks addition: http://nlvm.usu.edu/en/nav/frames_asid_154_g_1_t_1.html

Base blocks subtraction: http://nlvm.usu.edu/en/nav/frames_asid_155_g_1_t_1.html

Base ten stand alone: http://arcytech.org/java/b10blocks/

Color chips addition: http://nlvm.usu.edu/en/nav/frames_asid_161_g_1_t_1.html

Displaying number patterns: http://standards.nctm.org/document/eexamples/chap4/4.5

Integer bars: http://www.arcytech.org/java/integers/integers.html

Base blocks decimals: http://nlvm.usu.edu/en/nav/frames_asid_264_g_1_t_1.html

Percentages: http://nlvm.usu.edu/en/nav/frames_asid_160_g_1_t_1.html?open=activities

Fraction bars: http://nlvm.usu.edu/en/nav/frames_asid_161_g_1_t_1.html

Fractions – naming: http://nlvm.usu.edu/en/nav/frames_asid_104_g_1_t_1.html

Fractions – part of a whole: http://nlvm.usu.edu/en/nav/frames_asid_102_g_1_t_1.html

Fractions – visualizing: http://nlvm.usu.edu/en/nav/frames_asid_103_g_1_t_1.html

Number line bars – fractions: http://nlvm.usu.edu/en/nav/frames_asid_325_g_1_t_1.html

Percentages: http://nlvm.usu.edu/en/nav/frames_asid_160_g_1_t_1.html?open=activities

Equivalent fractions: http://illuminations.nctm.org/ActivityDetail.aspx?ID=80

Fraction game: http://illuminations.nctm.org/ActivityDetail.aspx?ID=18

Fraction Model I: http://illuminations.nctm.org/ActivityDetail.aspx?ID=11

Fraction Model II: http://illuminations.nctm.org/ActivityDetail.aspx?ID=44

Fraction Model III: http://illuminations.nctm.org/ActivityDetail.aspx?ID=45

Geoboard: http://nlvm.usu.edu/en/nav/frames_asid_172_g_2_t_3.html?open=activities

Geoboard Circular: http://nlvm.usu.edu/en/nav/frames_asid_127_g_2_t_3.html?open=activities

Geoboard Coordinate: http://nlvm.usu.edu/en/nav/frames_asid_166_g_2_t_3.html?open=activities

Geoboard Isometric: http://nlvm.usu.edu/en/nav/frames_asid_129_g_2_t_3.html?open=activities

Platonic solids: http://nlvm.usu.edu/en/nav/frames_asid_128_g_2_t_3.html?open=instructions

Space blocks: http://nlvm.usu.edu/en/nav/frames_asid_128_g_2_t_3.html?open=instructions

Geometric solids: http://illuminations.nctm.org/ActivityDetail.aspx?ID=70

Pattern blocks: http://nlvm.usu.edu/en/nav/frames_asid_170_g_2_t_3.html?open=activities

http://arcytech.org/java/patterns/

Money: http://nlvm.usu.edu/en/nav/frames_asid_325_g_1_t_1.html

http://arcytech.org/java/money/

Spinners: http://nlvm.usu.edu/en/nav/frames_asid_160_g_1_t_1.html?open=activities

Adjustable spinner: http://illuminations.nctm.org/ActivityDetail.aspx?ID=79

Algebra Balance Scales – Negatives: http://nlvm.usu.edu/en/nav/frames_asid_324_g_3_t_2.html?open=instructions

Pan Balance – Expressions: http://illuminations.nctm.org/ActivityDetail.aspx?ID=10

Pan Balance – Numbers: http://illuminations.nctm.org/ActivityDetail.aspx?ID=26

Pan Balance – Shapes: http://illuminations.nctm.org/ActivityDetail.aspx?ID=33

Pentominoes: http://nlvm.usu.edu/en/nav/frames_asid_114_g_2_t_2.html?open=activities

Time – Analog and Digital Clocks: http://nlvm.usu.edu/en/nav/frames_asid_170_g_2_t_3.html?open=activities

Time – Match clocks: http://nlvm.usu.edu/en/nav/frames_asid_317_g_2_t_4.html

Time – What time will it be? http://nlvm.usu.edu/en/nav/frames_asid_318_g_2_t_4.html

http://arcytech.org/java/clock/