Previous Standard
Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.
Next Standard
Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides], and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.
Worksheets
![3.md.8 Worksheets - Creating Area and Perimeter Rectangles worksheet 3.md.8 Worksheets - Creating Area and Perimeter Rectangles worksheet](/math/area/creating area and perimeter rectangles/english/thumb.png)
![3.md.8 Worksheets - Creating Area and Perimeter Rectangles worksheet 3.md.8 Worksheets - Creating Area and Perimeter Rectangles worksheet](/math/area/creating area and perimeter rectangles/english/thumb.png)
![3.md.8 Worksheets - Missing Side (Area) E worksheet 3.md.8 Worksheets - Missing Side (Area) E worksheet](/math/area/missing side (area) e/english/thumb.png)
![3.md.8 Worksheets - Missing Side (Area) E worksheet 3.md.8 Worksheets - Missing Side (Area) E worksheet](/math/area/missing side (area) e/english/thumb.png)
![3.md.8 Worksheets - Missing Side (Perimeter) E worksheet 3.md.8 Worksheets - Missing Side (Perimeter) E worksheet](/math/area/missing side (perimeter) e/english/thumb.png)
![3.md.8 Worksheets - Missing Side (Perimeter) E worksheet 3.md.8 Worksheets - Missing Side (Perimeter) E worksheet](/math/area/missing side (perimeter) e/english/thumb.png)
![3.md.8 Worksheets - Rectangles - Same Area & Different Perimeter worksheet 3.md.8 Worksheets - Rectangles - Same Area & Different Perimeter worksheet](/math/area/rectangles - same area and different perimeter/english/thumb.png)
![3.md.8 Worksheets - Rectangles - Same Area & Different Perimeter worksheet 3.md.8 Worksheets - Rectangles - Same Area & Different Perimeter worksheet](/math/area/rectangles - same area and different perimeter/english/thumb.png)
![3.md.8 Worksheets - Rectangles - Same Perimeter & Different Area worksheet 3.md.8 Worksheets - Rectangles - Same Perimeter & Different Area worksheet](/math/area/rectangles - same perimeter and different area/english/thumb.png)
![3.md.8 Worksheets - Rectangles - Same Perimeter & Different Area worksheet 3.md.8 Worksheets - Rectangles - Same Perimeter & Different Area worksheet](/math/area/rectangles - same perimeter and different area/english/thumb.png)