Interactivate: Lesson 3: Crossing the River

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Call Stack
#	Time	Memory	Function	Location
1	0.0004	91080	{main}( )	../textbook.php5:0
2	0.0009	171128	include( '/var/www/html/interactivate/config/standardIncludes.php5' )	../textbook.php5:13
3	0.1584	19479512	SWAT->startSession( )	../standardIncludes.php5:110
4	0.1584	19479512	session_start ( )	../SWAT.php5:108

MathScape Book 1

Patterns in Numbers and Shapes

Lesson 3: Crossing the River

Calculating...

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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.

Factorize 2

Activity: Visualize factors through building rectangular areas on a grid. As you draw each factor set on the grid, the factors will be listed. Factorize 2 is one of the Interactivate assessment explorers.

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