Area
Learn and practice finding the area of plane figures with interactive resources from GeoGebra.
Upper Elementary
GRADES 4-5
Area of Rectangles, Squares, and Composite Figures
Determine the area of rectangles, squares, and composite figures using nonstandard units, grids, and standard units in number and word problems.
Area of Rectangles with Grids
Use grids to develop the relationship between the total numbers of square units in a rectangle and the length and width of the rectangle (l x w); find area using the formula in number and word problems.
Middle School
GRADES 6-8
Area in Scale Drawings and Maps
Estimate and calculate areas with scale drawings and maps.
Finding the Area of a Triangles, Parallelograms, Trapezoids, Circles, Composite Figures
Calculate the areas of triangles, parallelograms, trapezoids, circles, and composite figures in number and word problems.
练习
GR. 6-8
Calculating Areas of Triangles
练习
GR. 6-8
Calculating Areas of Parallelograms
练习
GR. 6-8
Calculating Areas of Trapezoids
练习
GR. 6-8
Calculating Areas of Composite Figures
探索
GR. 6-8
Calculating Area of Composite Figures Using a Quilt Pattern
练习
GR. 6-8
Calculating Areas of Circles
练习
GR. 6-8
Finding the Radius of a Circle
Formulas for Area of Triangles, Parallelograms, Trapezoids, and Circles
Use models to develop formulas for finding areas of triangles, parallelograms, trapezoids, and circles in number and word problems.
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