Virtual Manipulative Tool Box

Attribute blocks

 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 ten blocks

 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/

Colored chips

Calculators

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

Cuisenaire rods

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

Decimal models

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

Fraction models (bars, circles, squares)

 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 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

Geoboards

 Geoboard Geoboard Geoboard Geoboard

Geometric models (solids, 3-D shapes, etc.)

 Platonic solids: 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

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

Play money

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

Spinners

Scales and Pan Balances

 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

Tangrams and Pentominoes

 Pentominoes

Time

 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/

More applets on Freudenthal Institute's realistic mathematics

http://www.fi.uu.nl/rekenweb/en/ (primary level)
http://www.fi.uu.nl/wisweb/en/ (secondary level)