Lesson Plan
Curated OER

Circles, Squares, Triangles and Rectangles In Our World

For Teachers Pre-K - 2nd
Here is an engaging geometry lesson which has students identify the properties of shapes and cut shapes out of magazines. They make cookies using cookie cutters in various shapes.
Worksheet
Curated OER

The Area of Rectangles

For Teachers 2nd - 4th
Intended for beginners to geometry, an area of a rectangle problem has scholars draw out the units within the shape. They segment it into four rows and six columns to determine how many squares the rectangle is made of and, eventually,...
Lesson Plan
Curated OER

Relationships in Geometry

For Teachers 3rd - 5th
Students show the correlation between quadrilaterals, parallelograms, rectangles and squares.
Lesson Plan
Curated OER

Lines In Geometry

For Teachers 8th - 10th
Students define important vocabulary words using a dictionary. In this geometry lesson, students identify and use properties of triangles to solve problems. They identify the median. altitude and angles as well as properties of...
Lesson Plan
Curated OER

Geometry: Classifying Quadrilaterals

For Teachers 6th - 12th
Students use construction technology to identify and find relationships between the attributes of various quadrilaterals. They make and test conjectures about the distinguishing properties of parallelograms, rectangles, rhombuses,...
Lesson Plan
Curated OER

Geometry Flip Book

For Teachers 3rd - 5th
Young scholars investigate the concepts of geometry that can be grouped into a flip book that can be used for teaching and review purposes. They define the differences between two and three dimensional figures. Also polygons are reviewed...
Worksheet
Curated OER

Area and Periemeter

For Students 10th
For this geometry worksheet, 10th graders determine the area and perimeters of various quadrilaterals and triangles.  The one page worksheet contains ten problems.  Answers are not provided. 
Interactive
Curated OER

My Test Book: Geometry skills

For Students 3rd - 4th
In this online interactive math skills learning exercise, students solve 10 multiple choice math problems regarding geometry skills. Students may view the correct answers.
Lesson Plan
Curated OER

Anticipation/Reaction Guides and Discussion Groups

For Teachers 7th
Seventh graders study geometric shapes around the classroom. In this geometry lesson plan, 7th graders discuss their answers in groups to the Anticipation/Reaction guide handout. Students complete the reaction side of the guide and...
Lesson Plan
EngageNY

Properties of Parallelograms

For Teachers 9th - 10th Standards
Everyone knows that opposite sides of a parallelogram are congruent, but can you prove it? Challenge pupils to use triangle congruence to prove properties of quadrilaterals. Learners complete formal two-column proofs before moving on to...
Worksheet
2
2
K12 Reader

Geometric Shape Names

For Students 3rd - 4th Standards
Combine math and language arts in the same lesson with a reading passage about number prefixes in geometric shapes. After reading several short paragraphs about the different prefixes used in shape names, kids answer five comprehension...
Lesson Plan
Curated OER

Properties of Parallelograms

For Teachers 9th - Higher Ed Standards
Scholars explore parallelograms in this geometry lesson. They investigate the properties of a parallelogram. Assisted by technology, your learners will construct a parallelogram and examine the sides, angles, and diagonals to discover...
Lesson Plan
Curated OER

100 Patch Geometric Quilts

For Teachers 2nd - 4th
Students identify geometric patterns in quilts. In this geometry instructional activity, students view various types of quilts and identify the geometric shapes. Students construct one hundred patch paper quilts using geometric shapes.
Lesson Plan
Curated OER

Internet Field Trip on Fractions and Geometry

For Teachers 2nd - 4th
Students take an Internet field trip to research fractions. ESOL strategies include using pattern block manipulatives and pairing ESOL and non-ESOL students on computers.
Lesson Plan
Curated OER

Discovering Math: Concepts in Geometry

For Teachers 8th - 12th
Middle and high schoolers explore the concept of proving the Pythagorean Theorem. They research proofs of the Pythagorean Theorem. Pupils create posters of proofs, and research Greek mathematicians.
PPT
Curated OER

Find the Hidden Shapes

For Teachers 2nd - 3rd
What shape do I see? Pupils will use what they know about geometric figures to determine which shape is hidden behind the squares. The shapes identified in the game: square, triangle, hexagon, and decagon. This is a great warm-up activity.
Worksheet
Curated OER

Geometry Practice GG 26 #3: Conditional Statements

For Students 10th - 12th
In this conditional statement worksheet, students read statements and identify the inverse of the statement.  They write conditional statements based upon given criteria.  This two-page worksheet contains 5 problems. ...
Lesson Plan
Curated OER

Properties of Parallelograms

For Teachers 9th - 12th Standards
High schoolers discover properties of parallelograms as they construct a parallelogram using Cabri Jr. They will measure angles and side lengths of their construction and determine the relationship between the diagonals of a...
Worksheet
Curated OER

Geometry Tracing and Matching Worksheet - Squares

For Students 2nd
In this geometry worksheet, 2nd graders trace the squares on the left and draw a line to connect the ones that are the same size on the right.
Lesson Plan
Curated OER

Geometry, Measurement & Reasoning

For Teachers 7th - 9th
Students measure prisms and determine their volume. For this measurement and reasoning lesson, students estimate the volume and area of prisms. They measure given boxes. Students use paper to create prisms and cylinders. They determine...
Lesson Plan
Curated OER

Side Length, Perimeter, and Area of a Rectangle

For Teachers 9th - 12th Standards
Students calculate area, perimeter and length of rectangles. In this geometry instructional activity, students create different formulas for the problem they are being asked to solve. They use the navigator to move the shape around and...
Worksheet
Curated OER

Perimeter

For Students 10th
In this perimeter worksheet, 10th graders solve and complete nineteen various geometry problems. First, they find the length of given segments in addition to the perimeter of a kite. Then, students find the value of a variable so that...
Worksheet
Curated OER

Geometric Shapes

For Students 5th
In this geometry and shapes worksheet, 5th graders practice calculating the shaded area of 2 objects. Students count the squares on 2 grids to find the volume of each object in cube units.
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...