MA19.6.26
Calculate the area of triangles, special quadrilaterals, and other polygons by composing and decomposing them into known shapes.
Calculate the area of triangles, special quadrilaterals, and other polygons by composing and decomposing them into known shapes.
Unpacked Content
UP:MA19.6.26
Vocabulary
- Right triangles
- Special quadrilaterals
- Polygons
- Area
- Decompose
- Compose
Knowledge
Students know:
- Appropriate units for measuring area: square inches, square units, square feet, etc..
- Strategies for composing and decomposing shapes to find area.
Skills
Students are able to:
- Communicate the relationship between models of area and the associated real-world mathematical problems.
- Use logical reasoning to choose and apply strategies for finding area by composing and decomposing shapes.
- Accurately compute area of rectangles using multiplication and the formula.
Understanding
Students understand that:
- The area of a figure is measured by the number of same-size unit squares that exactly cover the interior space of the figure.
- Shapes can be composed and decomposed into shapes with related properties,
- Area is additive.
