Worksheet
Curated OER

Pythagorean Theorem

For Students 8th - 9th
In this Pythagorean Theorem worksheet, students determine the length of a missing side of triangles. They read story problems, draw diagrams, and use the Pythagorean Theorem to solve real life problems. This one-page worksheet contains...
Worksheet
Curated OER

Perimeter and Circumference

For Students 10th
In this geometry worksheet, 10th graders are given shapes of rectangles and circles. They calculate the perimeter and circumference of the different polygons given values for the diameter or sides. There are 10 questions with an answer key.
Lesson Plan
Curated OER

Nature's Polyhedrons

For Teachers 9th - 12th
Students discover the characteristics of polyhedra. Through hands-on activities and interactive videos, students investigate and retrieve information on polyhedra and crystal structures. Students study angles and symmetry. They...
Lesson Plan
Curated OER

Shake, Rattle & Roll

For Teachers 1st - 3rd
Students examine soil. In this science lesson, students examine the layers of soil. Students collect soil from various locations and separate the layers. Students record and chart their findings.
Lesson Plan
Curated OER

Area and Perimeter of Rectangles

For Teachers 3rd - 5th
Discover the difference between area and perimeter. Learners are grouped in twos and threes and each group has one advanced/gifted learner to serve as the peer helper. They receive manipulatives to help them determine the area and...
Worksheet
Curated OER

Perimeter and Circumference

For Students 7th - 8th
In this perimeter and circumference activity, students observe diagrams and determine their perimeter or circumference. Diagrams include triangles, circles, parallelograms, rectangles, and composite figures. This one-page activity...
Interactive
Curated OER

Word Problems that involve Circles

For Students 10th
In this geometry worksheet, 10th graders solve application word problems based on knowledge of a circle. The one page interactive worksheet contains four questions. Answers and hints are included. 
Lesson Plan
Curated OER

Nature's Polyhedrons

For Teachers 9th - 12th
Students are introduced to polyhedrons through using straw models to explore geometric solids and constructing Christmas tree ornaments using Epsom salt crystals. Students will view interactive videos and investigate and retrieve...