Lesson Plan
Pennsylvania Department of Education

Length and Perimeter

For Teachers 3rd
Third graders explore tessellations and the spatial concepts used in creating them.  In this tessellations instructional activity, 3rd graders rotate, reflect and transform shapes to create tessellations.  Students become...
Lesson Plan
Curated OER

Searching The Word

For Teachers 5th
Fifth graders review EOG math terms and definitions found in their math notebooks, and pick between 15 and 20 words to put in a word search.
Lesson Plan
Curated OER

Inching Our Way through Measurement

For Teachers 3rd - 5th
Students review how to use an inch ruler and listen to the story, Inch by Inch by Leo Lionni. In this measuring lesson, students work in small groups to create an Inch Poster. Students then use an inch ruler to measure different objects...
Lesson Plan
Curated OER

Translating Transformations in Geometry

For Teachers 9th - 12th
Students create an image using given coordinates and evaluate how the coordinates change when a slide or rotation takes place.
Lesson Plan
OER Commons

Oer Commons: Area of a Circle

For Teachers 7th Standards
Seventh graders will compare the formula for the area of a regular polygon to discover the formula for the area of a circle.
Activity
Texas Instruments

Texas Instruments: Polygon Area

For Teachers 9th - 10th Standards
Students will compare areas of different polygons with a fixed perimeter and find the shape that gives the maximum area
Activity
Texas Instruments

Texas Instruments: Figuring Areas

For Teachers 9th - 10th
In this activity, students find the area of regular polygons using a summation approach and compare the summations with area calculated by Cabri Geometry Application. They also examine patterns of finding area and perimeter as the number...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.g Same Base and Height, Variation 1

For Teachers 5th - 8th Standards
Make the following triangles on a geoboard. Remember that the pegs are equally spaced in a square grid. Compare the areas of the triangles. Aligns with 6.G.A.1.
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.
Unknown Type
That Quiz

That Quiz: Practice Test: Triangles

For Students 9th - 10th Standards
Test your knowledge on the attributes of triangles. There are eleven levels that may be completed with or without a timer.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Windshield Wipers

For Students 3rd - 8th
Test your mathematical aptitude with challenge exploring the concepts of measurement and geometry. Find the area of the windshield wipers to figure out who sees better in the rain, car drivers or truck drivers. An activity from the NCTM...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co Inscribing a Hexagon in a Circle

For Teachers 9th - 10th Standards
In this task, students inscribe a regular hexagon inside a circle and compare its area to that of the circle. Aligns with G-CO.D.13.