Interactivate

Search Interactivate
Shodor > Interactivate > Search Interactivate
Introduces students to modular (clock) arithmetic and how modular arithmetic can be used to encode messages using simple shift, multiple and affine ciphers.
Introduction to various algorithms for solving single-variable, linear equations.
Multi-Step Functions (Discussion)
Discusses the notion of composite functions as several "number machines" with the output of one machine becoming the input of another.
This worksheet is for use with the Multi Function Data Flyer activity (http://www.shodor.org/interactivate/activities/MultiFunctionDataFly/).
This worksheet is for use with the Multi Function Data Flyer activity (http://www.shodor.org/interactivate/activities/MultiFunctionDataFly/).
Explains multiplication and division of fractions.
Introduces the concept of tree diagrams as a way to compute probability of a multi-step event.
Extends the notion of conditional probability by discussing the effects of replacement on drawing multiple objects.
This worksheet is for use with the Multiplying Fractions and Mixed Numbers lesson plan (http://www.shodor.org/interactivate/lessons/MultiplyingFractions/).
Slope and Y-intercept (Discussion)
Discusses slope and y-intercept and how they affect a graph.
a resource from CSERD, a pathway portal of NSDL NSDL CSERD