Worksheet
Curated OER

VSEPR And Polarity

For Students Pre-K - Higher Ed
In this VSEPR theory learning exercise, students evaluate the electron-pair geometry of organic and inorganic molecules. They construct Lewis structures and resonance structures for 17 compounds and complete 3 short answer questions.
Worksheet
Curated OER

Building Blocks of Geometry

For Students 9th - 11th
In this geometry worksheet, students answer questions about midpoints, distance, lines and segments. They are given different shapes and asked to calculate the angles, and sides of polygons.
Worksheet
Curated OER

Polygon Area Review Sheet

For Students 9th - 12th
In this polygon area worksheet, students answer 8 questions involving the area of several polygons. Students are given various details of the polygon and must find lengths of various polygons.
Interactive
Curated OER

AC Phase

For Students 10th - Higher Ed
In this AC phase worksheet, students answer 24 questions about AC and DC voltages, phasor diagrams, sine wave graphs and Lissajous figures.
Worksheet
Curated OER

Leaves

For Students 6th - 10th
In this biology worksheet, students write identify the different parts of a leaf shown in 5 different diagrams. They also complete 12 short answer questions after reading the information about leaves.
Worksheet
Curated OER

Middle School Level Vocabulary Matching Words 1

For Students 6th - 8th
Don't be capricious. Evoke the acute curiosity of your middle schoolers and evade the apathy that can harass the inert with a 15 word matching worksheet. Pairs or groups can have fun playing with individualistic vocabulary words.
Unit Plan
Mathematics Vision Project

Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This...
Assessment
Inside Mathematics

Quadrilaterals

For Teachers 9th - 12th Standards
What figure is formed by connecting the midpoints of the sides of a quadrilateral? The geometry assessment task has class members work through the process of determining the figure inscribed in a quadrilateral. Pupils use geometric...
Lesson Plan
EngageNY

Informal Proof of AA Criterion for Similarity

For Teachers 8th Standards
What does it take to show two triangles are similar? The 11th segment in a series of 16 introduces the AA Criterion for Similarity. A discussion provides an informal proof of the theorem. Exercises and problems require scholars to apply...
Handout
Mt. San Antonio Collage

Congruent Triangles Applications

For Students 9th - 12th Standards
Triangles are all about threes, and practicing proving postulates is a great way to get started. The first page of the activity provides a brief introduction of the different properties and postulates. The remaining pages contain...
Lesson Plan
EngageNY

Solving Problems Using Sine and Cosine

For Students 9th - 10th Standards
Concepts are only valuable if they are applicable. An informative resource uses concepts developed in lessons 26 and 27 in a 36-part series. Scholars write equations and solve for missing side lengths for given right triangles....
Lesson Plan
West Contra Costa Unified School District

Introduction to Trigonometric Functions

For Teachers 9th - 12th
Scholars first learn the definitions of the sine ratio, the cosine ratio, and the tangent ratio. After mastering these definitions, they use the new information to solve triangles.
Activity
101 Questions

Snail's Pace

For Teachers 6th - 8th Standards
Time doesn't fly when you're watching a snail cross a sidewalk. Combining the concepts of the Pythagorean Theorem and the distance, rate, and time formula, learners determine how long it takes a snail to go from one corner of a sidewalk...
Assessment
Bowland

German or English?

For Teachers 6th - 8th
Sprechen sie Deutsch? Future cryptographers must decide whether an unknown text is written in English or in German. They use provided pie charts about the frequency of words in the English and German languages to help make their decisions.
Lesson Plan
Curated OER

Patterns and Linear Functions

For Teachers 9th - 10th
Learners investigate the concept of a linear function. They use geoboards to find the interior angle sums. The sum of the angles is found to equal 180 degrees. Students also investigate quadrilaterals.
Worksheet
Curated OER

Shape Definitions

For Students 4th - 6th
For this shapes definitions worksheet, students match a set of descriptions with their correct shape names, 10 total, then answer a set of 4 additional questions. Answers included on page 2.
Worksheet
Curated OER

Congruence in Triangles

For Students 9th - 10th
In this geometry worksheet, students identify and label triangles as being congruent or not. They use the SSS, ASA or SAS as their description. There are 18 questions with an answer key.
Interactive
Curated OER

Quadrilateral Properties

For Students 9th - 12th
In this online math instructional activity, students answer "true" or "false" to a variety of statements regarding the properties of quadrilaterals. This excellent resource allows the students to check their answers, and to get "hints"...
Lesson Plan
Curated OER

Congruent Triangles

For Teachers 10th
Tenth graders explore congruent triangles.  For this geometry lesson, 10th graders investigate the conditions necessary to prove two triangles are congruent by SSS, ASA, AAS, or SAS. 
Worksheet
Curated OER

Geometry Assessment-"Chapter 2"

For Students 7th - 8th
In this geometry worksheet, students match terms with definitions, and complete short answer questions about polygons and congruency.
Worksheet
Curated OER

Congruent Shapes

For Students 3rd - 4th
In this congruent shapes worksheet, students analyze a group of 20 geometric shapes that have letter labels. Students find pairs of shapes that are congruent in this group and write the letters of the shapes that match.
Lesson Plan
Curated OER

Men in Black

For Teachers 7th - 8th
In this Men in Black worksheet, young scholars answer seven questions about the Men in Black movie relating to UFOs, time capsules, characters, vocabulary, and themes. Students answer questions in short answer format.
Lesson Plan
Curated OER

Dividing Line Segments into n Congruent Parts

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

Parallelograms Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students calculate the different measurements for parallelograms using the properties of quadrilaterals. They are given partial information and must solve the problem. There are 6 questions with an answer...