eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 1.6 Area or Perimeter of Triangles/ Quadrilaterals

For Students 9th - 10th Standards
Explore finding and measuring perimeter of figures.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe Squares on a Coordinate Grid

For Teachers 9th - 10th Standards
The purpose of this task is to use the Pythagorean Theorem and knowledge about quadrilaterals in order to construct squares of different sizes on a coordinate grid. Aligns with G-GPE.B.7.
Interactive
Mangahigh

Mangahigh: Pyramid Panic: Basic Shapes to Advanced Geometry

For Students 9th - 10th Standards
Guide a mummy safely through the burial chambers of a pyramid as you solve length and area problems in basic to advanced geometry. There are four game zones that deal with circles and triangles, quadrilaterals, the Pythagorean Theorem,...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Rhombuses and Kites

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to calculate the area and perimeter of rhombuses and kites. Students examine guided notes, review guided practice, watch instructional...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Rhombuses and Kites

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate the area and perimeter of a rhombus or kite. Students examine guided notes, review guided practice, watch instructional videos and...
Handout
Wolfram Research

Wolfram Math World: Kite

For Students 9th - 10th
MathWorld provides the definition and the area formula for a kite.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Rectangle Perimeter 2

For Teachers 6th - 8th
This task is a natural follow up for task Rectangle Perimeter 1. After thinking about and using one specific expression for the perimeter of a rectangle, they now extend their thinking to equivalent expressions for the same quantity....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Rectangle Perimeter 1

For Teachers 5th - 8th Standards
This tasks gives a verbal description for computing the perimeter of a rectangle and asks the students to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...
Unit Plan
Wolfram Research

Wolfram Math World: Rectangle

For Students 9th - 10th
MathWorld provides the definition of a rectangle and the area formula of a rectangle.
Activity
Texas Instruments

Texas Instruments: Perimeters, Areas, and Slopes Oh, My!

For Teachers 9th - 10th Standards
In this activity, students create geometric figures, and use analytic and coordinate geometry to investigate their attributes. They go through the process of proving that a quadrilateral is a parallelogram.
Interactive
Shodor Education Foundation

Shodor Interactivate: Floor Tiles

For Students 9th - 10th Standards
Build a "floor tile" by dragging the corners of a quadrilateral. Learn about tessellation of quadrilateral figures when the shape you built is tiled over an area.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Rectangle Perimeter 3

For Teachers 5th - 8th Standards
The purpose of this task is to ask students to write expressions and to consider what it means for two expressions to be equivalent. Aligns with 6.EE.A.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallelograms

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students properties of and theorems about parallelograms and how to apply them.
eBook
Other

Algebra Lab: Areas and Perimeters of Triangles and Special Quadrilaterals

For Students 6th - 7th Standards
Learn how to find the areas and perimeters of triangles and special quadrilaterals.
Unit Plan
BBC

Bbc: Bitesize: Maths: 2 D Shapes

For Students 2nd - 8th Standards
Learn about the properties of 2-D shapes: circles, triangles, polygons, and quadrilaterals. Includes information, video, and examples about each, with games and quizzes for reinforcement.
Lesson Plan
Better Lesson

Better Lesson: Remarkable Rectangles

For Teachers K Standards
Rectangle is SO MUCH like triangle! Those darned angles--they'll get beginning learners! This is a fun way to practice rectangle!
Handout
Quia

Ixl Learning: Rectangles

For Students 3rd - 5th Standards
Brush up on your math skills relating to rectangles then try some practice problems to test your understanding.
Handout
Quia

Ixl Learning: Rhombuses

For Students 3rd - 5th Standards
Brush up on your math skills relating to rhombuses then try some practice problems to test your understanding.
Handout
Quia

Ixl Learning: Parallelograms

For Students 3rd - 5th Standards
Brush up on your math skills pertaining to parallelograms then try some practice problems to test your understanding.
Interactive
Calculator Soup

Calculator Soup: Square Calculator

For Students 9th - 10th Standards
Use this square calculator to find the side length, diagonal length, perimeter, or area of a geometric square. Given any 1 variable you can calculate the other 3 unknowns.
Interactive
Calculator Soup

Calculator Soup: Rhombus Calculator

For Students 9th - 10th
Calculate certain variables of a rhombus depending on the inputs provided. Calculations include side lengths, corner angles, diagonals, height, perimeter, and area of a rhombus.
Interactive
Calculator Soup

Calculator Soup: Parallelogram Calculator

For Students 9th - 10th Standards
Calculate certain variables of a parallelogram depending on the inputs provided. Calculations include side lengths, corner angles, diagonals, height, perimeter, and area of parallelograms.
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Suzanne Alejandre: Factor Lesson

For Teachers 9th - 10th Standards
Students will discover factoring through the area of a rectangle.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallelograms

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Apply parallelogram theorems.