7th Grade Unit 10 - Two Dimensional Geometry

1) Area and Perimeter

Area of Triangles

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-geometry-topic/cc-6th-area-triangle/v/intuition-for-area-of-a-triangle?modal=1

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-geometry-topic/cc-6th-area-triangle/v/example-finding-area-of-triangle?modal=1

Area of Trapezoid

https://www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-area/v/area-of-a-trapezoid-1

Perimeter

https://www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-area/v/perimeter-and-area-basics

Area of quadrilaterals

Parallelogram

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-geometry-topic/cc-6th-parallelogram-area/v/intuition-for-area-of-a-parallelogram?modal=1

Squares an Rectangles

https://www.khanacademy.org/math/cc-third-grade-math/imp-geometry/imp-multiply-to-find-area/v/rectangle-area-as-product-of-dimensions-same-as-counting-unit-squares?modal=1

2) Area and Circumference of a circle

Radius and Diameter

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circumference/v/circles-radius-diameter-and-circumference?modal=1

Parts of a Circle

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circumference/v/parts-of-a-circle?modal=1

Radius and Diameter of a circle

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circumference/v/finding-radius-and-diameter-from-circumference?modal=1

Relating Circumference and Area

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circumference/v/relating-circumference-and-area?modal=1

Area of a Circle

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circumference/v/area-of-a-circle?modal=1

Circumference Given area

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circ-challenge/v/circumference-from-area?modal=1

Area of Irregular Shapes

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-geometry-topic/cc-6th-area/v/area-comparisons?modal=1

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-geometry-topic/cc-6th-area/v/area-breaking-up-shape?modal=1

Shaded Regions

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circ-challenge/v/area-of-shaded-region?modal=1