September 7, 2011

This unit focuses on the use of common fractions and improper fractions. It allows students to further their understanding of adding and multiplying fractions as it relates to geometry. This unit allows students to develop their understanding of geometric figures as they explore area and perimeter in the real world.

- Mathematics > General
- Education > General

- Grade 3
- Grade 4
- Grade 5

Estimate the area of geometric plane figures.

Derive the formula for the area of a parallelogram.

Derive the formula for the area of a triangle.

Find the areas of triangles and parallelograms using formulae.

Estimate the area of a circle through partitioning and tiling.

Find the area of a polygon (regular and irregular) by dividing it into squares, rectangles, and/or triangles and find the sum of the areas of those shapes.

Derive the formula for the area of a circle.

Find the area of a circle using the formula and pi almost equal to 3.14.

Derive the formula for the circumference of a circle.

Find the circumference of a circle using the formula and pi almost equal to 3.14.

Students will understand congruence of geometric figures and the correspondence of their vertices, sides, and angles.

Students will understand the relationship of the circumference of a circle to its diameter is pi (pi almost equal to 3.14).