I will use many of the resources listed below in my 5th grade class. I did sort and label the links by math concept, re-labeling the last one as "Data Analysis" which better fits our standards. I will pass this information on to our webmaster and ask for these links to be made available for the other teachers in our building. We will make a presentation to staff as well.

Interactivate Lessons Numbers and Operations
[[http://www.shodor.org/interactivate/lessons/FractionConversion/|Fraction Conversion ]]
[[http://www.shodor.org/interactivate/lessons/ElapsedTime/|Elapsed Time ]]
[[http://www.shodor.org/interactivate/lessons/Estimation/|Estimation ]]
[[http://www.shodor.org/interactivate/lessons/EstimationElem/|Estimation (elementary) ]]
[[http://www.shodor.org/interactivate/lessons/ComparingFractions/|[[http://www.shodor.org/interactivate/lessons/ComparingFractions/|Comparing Fractions
]][[http://www.shodor.org/interactivate/lessons/Factors/|Factors
]][[http://www.shodor.org/interactivate/lessons/FindingFactors/|Finding Factors
]][[http://www.shodor.org/interactivate/lessons/VennDiagrams/|Venn Diagrams
]][[http://www.shodor.org/interactivate/lessons/SpyGame/|Spy Game ]]
]]
Interactivate Lessons Geometry
[[http://www.shodor.org/interactivate/lessons/AreaElem/|Area (elementary)
]][[http://www.shodor.org/interactivate/lessons/LengthPerimeterArea/|Length, Perimeter, and Area
]][[http://www.shodor.org/interactivate/lessons/Perimeter/|Perimeter
]][[http://www.shodor.org/interactivate/lessons/ProbabilityandGeometryElem/|Probability and Geometry (elementary)
]][[http://www.shodor.org/interactivate/lessons/TriangleArea/|Triangle Area

]]Interactivate Lessons Algebra
[[http://www.shodor.org/interactivate/lessons/GraphingCoordinate/|Graphing and the Coordinate Plane
]]
Interactivate Lessons Probability
[[http://www.shodor.org/interactivate/lessons/PlayWithProbability/|Playing with Probability
]][[http://www.shodor.org/interactivate/lessons/Probability/|Probability
]]Probability and Geometry (elementary)

Interactivate Lessons Data Analysis
[[http://www.shodor.org/interactivate/lessons/BarGraphLesson/|Bar Graph
]][[http://www.shodor.org/interactivate/lessons/IntroBarGraphs/|Introduction to Bar Graphs
]][[http://www.shodor.org/interactivate/lessons/IntroStatistics/|Introduction to Statistics: Mean, Median, Mode
]][[http://www.shodor.org/interactivate/lessons/Patterns/|Recognizing Patterns ]]


In addition, there were many lessons on SUCCEED that apply to engineering.
http://www.shodor.org/succeed/curriculum/