( ! ) 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-2.3/SWAT/SWAT.php5 on line 108
Call Stack
#TimeMemoryFunctionLocation
10.002191080{main}( )../textbook.php5:0
20.0044171152include( '/var/www/html/interactivate/config/standardIncludes.php5' )../textbook.php5:13
30.163419479800SWAT->startSession( )../standardIncludes.php5:110
40.163519479800session_start ( )../SWAT.php5:108
 Interactivate: Lesson 4: The Problems Are All Yours

Interactivate

Lesson 4: The Problems Are All Yours
Shodor > Interactivate > Textbooks > MathScape Book 1 > Lesson 4: The Problems Are All Yours
MathScape Book 1
Number Powerhouse
Lesson 4: The Problems Are All Yours
Calculating...
Lesson  •  Activity  •  Discussion  •  Worksheet  •  Show All
Lesson  (...)
Activity  (...)
Caesar Cipher
Activity: Create your own affine cipher for encoding and decoding messages. Input your own constant and multiplier, then input a message to encode.

Caesar Cipher II
Activity: Encode and decode messages to determine the form for an affine cipher. Input a message to encode, then input your guesses for the constant and multiplier. Caesar Cipher II is one of the Interactivate assessment explorers.

Caesar Cipher III
Activity: Decode encrypted messages to determine the form for an affine cipher, and practice your reasoning and arithmetic skills. Input your guesses for the multiplier and constant. Caesar Cipher III is one of the Interactivate assessment explorers.

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