Lesson Plan
Curated OER

Planets, Constellations, and Stars

For Teachers 6th - 8th
In this space science worksheet, students find the answers to the research questions that focus on the stars, planets, and constellations.
Worksheet
Curated OER

Family Activity: Triangles and Quadrilaterals

For Students 6th - 8th
In this triangles and quadrilaterals worksheet, middle schoolers solve 7 short answer problems. Students find objects around the house that are constructed from triangles, parallelograms, trapezoids, squares, rectangles. Middle schoolers...
Lesson Plan
Curated OER

Roping Quadrilaterals

For Teachers 4th - 5th
Students explore with quadrilaterals.  In this roping quadrilaterals lesson, students work in cooperative groups to play the game, "Question, please!" in order to identify, describe, compare and classify quadrilaterals....
Lesson Plan
Curated OER

Geometry: Lesson 10

For Teachers 8th
Eighth graders investigate the Pythagorean theorem and how it is used in geometry. Measurements for different triangles is given and then students must solve problems in order to practice using the formula.
Worksheet
Curated OER

Hidden Summer Vocabulary Builder

For Students 4th - 5th
In this hidden summer vocabulary builder worksheet, students fill in the missing letters in 70 words using definitions and descriptions, then write 8 short answers about summer.
Lesson Plan
Curated OER

Vietnam: Lesson 4

For Teachers 9th - 12th
High schoolers take a closer look at war memorials. In this Vietnam lesson, students research the Vietnam War Memorial and then visit the memorial. As a culminating activity, high schoolers research other war memorials.
Lesson Plan
Curated OER

Dividing Line Segments into n Congruent Parts

For Teachers 9th - 10th
Students identify lines, and line segments. In this geometry instructional activity, students divide line segments into equal congruent parts. They complete a laboratory activity dealing with lines and segments.
Lesson Plan
Curated OER

Similar Triangles on the Coordinate Plane

For Teachers 9th - 10th
Students investigate triangles and their properties. In this geometry lesson, students differentiate between similar and congruent triangles. They use the SSS theorem to help identify the triangles that are similar or congruent.
Lesson Plan
Curated OER

Optical Illusion Vase

For Teachers 6th - 10th
Students draw an optical illusion. In this optical illusion activity, students create the optical illusion vase. Students draw a profile and repeat the drawing in reverse creating the vase image.
Worksheet
Curated OER

We Love Words

For Students 3rd - 5th
In this vocabulary worksheet, learners examine the 6 words that are missing letters, read the definition clues, and fill in the blanks to complete 6 words.
Worksheet
Curated OER

PreCalculus: Final Examination

For Students 10th - 12th
In this final examination worksheet, students find the tangent function and sine function.  They graph problems on a polar coordinate.  Students describe trigonometric properties.  This twelve-page worksheet contains 80...
Lesson Plan
Curated OER

Gingerbread Houses

For Teachers 3rd - 5th
Students are read different books about the holidays and gingerbread houses. They review a planning sheet on how to build their own gingerbread house. They must follow the steps in order and share their house with their classmates.
Worksheet
Curated OER

Earthquake Information

For Students 7th - 12th
In this earthquake worksheet, students complete a crossword puzzle by determining the terms associated with the 8 given clues.
Worksheet
Curated OER

Mirror Writing

For Students 4th - 6th
In this mirror writing activity, students follow the directions to decide which alphabet letters are symmetrical. Students use a mirror and a white light as they work in partners to trace simple shapes.
Worksheet
Curated OER

New York State Testing Program: Mathematics Book 2, Grade 3 2008

For Students 3rd
In this 3rd grade math standardized test practice instructional activity, students solve 6 multiple-step open-ended math problems based on New York academic standards.
Worksheet
Curated OER

New York State Testing Program: Mathematics Book 2, Grade 4 2008

For Students 4th
For this 4th grade math standardized test practice worksheet, students solve 18 multiple-step open-ended math problems based on New York academic standards.
Worksheet
Curated OER

New York State Testing Program Math Release questions grade 8

For Students 8th - 10th
In this algebra and geometry worksheet, learners solve seven varying math problems.  This worksheet will help prepare students for standardized tests covering algebra and geometry.
Lesson Plan
Curated OER

Pythagorean Theorem and Special Right Triangles

For Teachers 9th - 11th
Students review the Pythagorean Theorem and apply it to word problems involving special right triangles.
Lesson Plan
Curated OER

Structures and Shapes

For Teachers 3rd - 4th
Young scholars make jewelry using different shapes from magazines, tissue paper, cardboard, and other materials. In this making jewelry lesson plan, students complete this hands on activity to discuss how shapes are used.
Worksheet
Curated OER

Leveled Problem Solving Quadrilaterals and Other Polygons

For Students 5th - 6th
In this quadrilaterals and polygons activity, students solve the problems using quadrilaterals and other polygons. Students solve six problems.
Lesson Plan
Curated OER

Cams

For Teachers 11th - 12th
Young scholars explore plate and barrel cams. They discuss the differences between the two cams. Students identify a base and prime circle and they draw a plate cam using the provided details.
Lesson Plan
Curated OER

Polygons Defined

For Teachers 4th
Fourth graders explore polygons. In this polygon lesson, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
Handout
CK-12 Foundation

Ck 12: Geometry: Angles Study Guide

For Students 9th - 10th Standards
This study guide on angles covers key vocabulary, ways to name angles, how to measure them, the Protractor Postulate and the Angle Addition Postulate, types of angles, congruent angles, angle bisectors, and angle pairs. It is available...
Handout
Purple Math

Purplemath: Greek Letters and Their Names

For Students 9th - 10th Standards
When you are working with geometry and trigonometry, you will see a lot of Greek letters. It will be helpful to know how the names of these letters are spelled and pronounced.