Activity
Curated OER

Math Challenges

For Teachers 8th - 10th
Students engage their critical thinking skills to solve challenging math problems. In these problem solving lessons, student work with tessellations, weights/measurement, reasoning, surface area, geometric shapes, and algebraic procedures.
Lesson Plan
Curated OER

Tessellations

For Teachers 5th - 8th
Students identify and construct figures that tessellate. They investigate which regular polygons tessellate and how to modify them to make other tessellating figures. Students explore how naturally occurring tessellations have been...
Lesson Plan
Curated OER

Grade 5: Testing for Tessellations

For Teachers 5th
Fifth graders use formal geometric language to describe polygons (and other shapes) that will tessellate the plane and those that will not. Students make generalizations about the characteristics of a polygon (or other shape) that will...
Lesson Plan
Curated OER

That's So Square

For Teachers 1st - 3rd
Students familiarize themselves with the three most common geometric shapes: circles, triangles and parallelograms. They sketch, sort, and name the shapes.
Lesson Plan
Curated OER

Embossed Rose Window Designs

For Teachers 5th - 12th
Students, after researching the history and foundation of Renaissance rose windows, access ArtEmboss to create an original window design. They employ a basic metalworking technique utilizing a soft metal. The design created incorporates...
Lesson Plan
Curated OER

Pascal's Triangle

For Teachers 10th
In this geometry activity, 10th graders investigate Pascal's Triangles as they relate it to probability problems and geometric problems. They review the theories behind the formulas.
Lesson Plan
Curated OER

Quilt Squared

For Teachers 4th - 6th
Students study West Virginia quilts. In this mathematics lesson plan, students use symmetry, geometric shapes, and patterns to create their own quilt square.
Lesson Plan
Curated OER

Hands on Essays

For Teachers 3rd
Third graders relate the concept of individuality of geometric shapes to the individuality of topic sentences. They write and revise a persuasive argument essay using an established rubric.
Lesson Plan
Curated OER

What Shape am I?

For Teachers 1st - 3rd
Learners analyze characteristics of geometric shapes. They find shapes in their environment, and communicate why it is like the shape of their choice and not like another shape.
Worksheet
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Curated OER

Sequences

For Students 9th - 11th
In this algebra worksheet, students identify difference and common ratio in sequences. They use arithmetic and geometric ratios to solve patterns. There are 10 questions with an answer key.
Worksheet
Curated OER

Math Club Worksheet #30 - Visual Stretches

For Students 6th - 9th
In this visual math puzzle instructional activity, students work in groups to find the answer to 6 math puzzles. They work with geometric shapes and symbols.
Worksheet
Curated OER

Using Models to Communicate

For Students 7th - 9th
In this models worksheet, students read about how models are used to communicate events or principles in science. They are given an example and answer 4 questions about models. They discuss accuracy and inaccuracy of models. They create...
Lesson Plan
Curated OER

African Mask

For Teachers 1st - 3rd
Students make masks. In this African art instructional activity, students review background information about African art and the use of masks. Students use geometric shapes and other designs to create their masks.
Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 1, Lesson 4: Transformation Station

For Teachers 2nd
Second graders manipulate triangles to discover the concepts of slides, flips and turns of a geometric shape.
Lesson Plan
Curated OER

Symmetry in Paper Airplanes

For Teachers 5th - 8th
Students explore symmetry.  In this geometry and scientific inquiry lesson, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles.  Students measure the plane's angles using a...
Lesson Plan
Curated OER

Polyhedra

For Teachers 9th - 11th
Students analyze convex polyhedra through hands on methods. In this geometrical shapes instructional activity, students construct paper models of convex polyhedra and identify the different properties including the number of sides, faces...
Lesson Plan
Curated OER

Spreading Doom

For Teachers 9th - 12th Standards
Students explore the pattern created by a sequence or series. In this geometry lesson, students relate the spread of a virus to the growth of exponential functions. They collect data as they analyze the sequence created by the growth.
Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 2, Lesson 9: Bringing It To A Fine Gloss-ary

For Teachers 2nd - 3rd
Young scholars create a glossary of geometric terms while exploring tangram manipulatives.
Lesson Plan
Curated OER

Sports Bag

For Teachers 6th - 9th
Young scholars determine an efficient layout of the pattern pieces needed to make a sports bag with given dimensions and specifications. Given a word problem, data set and a diagram, students evaluate the information they have available...
Lesson Plan
Curated OER

Toothpick Building

For Teachers 4th - 5th
In this math and logic worksheet, students solve 2 problems in which they examine a picture of 5 squares in a particular formation. Students build this with toothpicks. Students are instructed to move a specified number of toothpicks to...
Lesson Plan
Curated OER

Converge or Diverge?

For Teachers 11th - 12th
Students prepare for the calculus concepts of limits by examining sequences that converge and diverge. By using an Excel program that generates sequences, students manipulate the starting number, multiplier and add-on values, and examine...
eBook
CK-12 Foundation

CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 1

For Students 1st Standards
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...
Lesson Plan
Teach Engineering

Discovering Relationships Between Side Length and Area

For Students 9th - 12th Standards
Consider the relationship between side length and area as an input-output function. Scholars create input-output tables for the area of squares to determine an equation in the first installment of a three-part unit. Ditto for the area of...

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