10 am class  2pm class 

Explaining the commutative and distributive lawsCommutativeDistributive Patterns: perimeter, area and dotsAn example with perimeterAn example with dots Some mixed type examples Problem types and difficultiesAddition and subtraction problem typesScaffolding divisionScaffolding examplesScaffolding article Bar diagramsAddition and subtraction examplesMultiplication and division examples Alternate addition and subtraction algorithmsLinks to algorithm explanations: note you are only responsible for
More about shapesSome resources about shapes:

Geoboard areaTriangles practice and solutionsI don't have resources I've made for composite shapes, but this from LearnZillion looks pretty good Direct ModelingDirect modeling for JRU (Joining All) and SRU (Separate from)Direct modeling for JCU (Joining To), SCU (you do not need to know this one) and CDU (Compare) Addition and subtraction video Modeling multiplication Modeling partitive division Modeling measurement division Alternate multiplication and division resource Venn diagrams with shapesYou may find these useful:Explaining the addition and subtraction algorithmsExplaining additionExplaining subtraction Making a parallelogram from two trianglesDrawing perpendiculars to show height of a triangle, and drawing parallels to make a parallelogram. Video. Practice. AnswersWord problems with Venn diagramsI don't have resources I've made, but this example looks like it might be useful::http://www.purplemath.com/modules/venndiag4.htm Scaffolding divisionScaffolding examplesScaffolding article Notes from class Friday 12/15 