Compare and contrast this third grade measurement standard from the 2004 MA Framework with this one from the 2011 MA framework.
| MA 2011 | MA 2004 |
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3.MD.8 Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different area or with the same area and different perimeter. |
3.M.4 Estimate and find area and perimeter of a rectangle, using diagrams and grids, or by measuring. |
Now try it with these grade 8 standards:
| MA 2011 | MA 2004 |
| 8.F.4 Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values. | 8.P.6 Identify the roles of variables within an equation, e.g., y = mx + b, expressing y as a function of x with parameters m and b. |