( ! ) Notice: session_start() [function.session-start]: Server 127.0.0.1 (tcp 21201) failed with: Failed reading line from stream (0) in /var/www/html/common-2.2/SWAT/SWAT.php5 on line 108
Call Stack
#TimeMemoryFunctionLocation
10.000889272{main}( )../textbook.php5:0
20.0015165832include( '/var/www/html/interactivate-java/config/standardIncludes.php5' )../textbook.php5:3
30.174916852872SWAT->startSession( )../standardIncludes.php5:110
40.174916852872session_start ( )../SWAT.php5:108
 Interactivate: Congruence

Interactivate

Congruence
Shodor > Interactivate > Textbooks > Mathematics in Context Grade 7 > Congruence
Mathematics in Context Grade 7
Triangles and Beyond
Congruence
Calculating...
Lesson  •  Activity  •  Discussion  •  Worksheet  •  Show All
Lesson  (...)
Activity  (...)
Pythagorean Explorer
Activity: Calculate the length of one side of an automatically generated right triangle by using the Pythagorean Theorem, and then check your answers. Pythagorean Explorer is one of the Interactivate assessment explorers.

Transmographer
Activity: Explore the world of translations, reflections, and rotations in the Cartesian coordinate system by transforming squares, triangles and parallelograms. Parameters: Shape, x or y translation, x or y reflection, angle of rotation.

Discussion  (...)
Worksheet  (...)
No Results Found
a resource from CSERD, a pathway portal of NSDL NSDL CSERD