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Worksheet
Curated OER

Sine, Cosine, and Tangent Ratios

For Students 11th
In this ratios instructional activity, 11th graders solve and complete 8 various types of problems. First, they read each problems and draw a sketch for each. Then, students write a trigonometric ratio for each problem and round any...
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Lesson Plan
Curated OER

Art or Junk? Discovering the Triangle Inequality

For Teachers 6th
Middle schoolers study the triangle inequality. They will identify, compare, and analyze attributes of two and three-dimensional shapes. Then they develop vocabulary to describe the attributes. They also use manipulatives to analyze the...
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Activity
Illustrative Mathematics

Is This a Parallelogram?

For Teachers 9th - 12th Standards
If both pairs of opposite sides of a quadrilateral are congruent, is the quadrilateral a parallelogram? This task asks learners to determine the answer and to support their answer with a proof. The resource includes a commentary for...
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Lesson Plan
Chandler Unified School District

Art Masterpiece—Leonardo da Vinci Inventions

For Teachers 6th
After getting to know the inventor, Leonardo da Vinci and his many inventions, scholars think up their own invention. Following a written description and a hand-drawn picture, learners use a method of mirror writing and antiquing to give...
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Lesson Plan
Curated OER

Applying Proportionality in Scale Drawings

For Teachers 6th
Sixth graders examine a blue print and discuss the reasoning behind using blue prints. In this proportionality lesson,  students collaborate with their teammates to create a scale drawing. Once that is complete, 6th graders write a...
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Worksheet
Curated OER

Reflection

For Students 9th - 12th
For this math worksheet, high schoolers practice their skills in constructing reflections of shapes that are on a grid. This worksheet has 13 problems for the students to solve, and includes an answer sheet.
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Worksheet
Curated OER

Solving Inequalities

For Students 9th - 11th
In this inequalities worksheet, students solve and graph inequalities. They shade the answer region. Explanations and examples are provided at the beginning of the document. Answers are at the end of the worksheet. This four-page...
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Lesson Plan
Curated OER

Seasonal cycles

For Teachers 1st - 5th
Learners understand that the rotation of the Earth is responsible for the seasons. In this seasonal cycles lesson, students learn how the rotation of the Earth affects the seasons. Learners answer questions about the rotation, the...
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Lesson Plan
Curated OER

Human Geometry Book

For Teachers 3rd - 5th
Students investigate geometric shapes. In this geometry lesson, students read the book The Greedy Triangle and define the shapes mentioned in the book. Students make the shapes by using their bodies.
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Lesson Plan
Curated OER

Exploring Transformations: Translations and Reflections

For Teachers 9th - 12th Standards
Learners perform translation and reflection. They identify the coordinate points of the new graph and create a formula for the movement. They identify the pre-image the and after image.
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Lesson Plan
Curated OER

Preparation and Transition to Two-Column Proofs

For Teachers 10th - 11th
Students investigate proofs used to solve geometric problems. In this geometry activity, students read about the history behind early geometry and learn how to write proofs correctly using two columns. The define terminology valuable to...
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Lesson Plan
Curated OER

Transformations: Reflections

For Teachers 9th - 12th Standards
Students perform transformations on their graphs. In this algebra lesson plan, students identify the pre-image and image. They find and identify congruent shapes and isometry.
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Worksheet
Curated OER

Circles

For Students 3rd - 4th
In this circles instructional activity, students fill in 6 fill in the blank statements about circles and solve calculate the answers to 13 questions involving different measurements of circles.
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Lesson Plan
Curated OER

What Shape am I?

For Teachers 1st - 3rd
Students 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.
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Lesson Plan
Curated OER

What Shape Am I?

For Teachers 1st
First graders analyze characteristics of geometric shapes. They identify, describe, and create simple geometric figures. They analyze characteristics of geometric shapes and determine the defining attributes of a circle,...
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Worksheet
Curated OER

Geometry

For Students 3rd - 5th
In this geometry review game instructional activity, students use the provided game cards and calling cards to play a Bingo-like game. Students learn geometric terms while playing a group game.
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Lesson Plan
Curated OER

MONET'S GARDEN BY THE SEA

For Teachers 6th - 8th
Young scholars establish their own design utilizing a similar composition to Monet's, integrate their drawing skills in creating a "garden by the sea."
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Lesson Plan
Curated OER

Contact Angle. Interfacial Tension and Wetting

For Teachers 9th - 12th
Students determine the contact angle of water on different surfaces. In this physics lesson, students calculate their percent error using a mathematical formula. They explain the advantages of using non-wetting surface for certain...
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Lesson Plan
Curated OER

Exploring the Night Sky: Summer

For Teachers 6th - 12th
Students explain how moon phases occur. They describe and explain at least two common misconceptions that people have about the moon. Students explain what a star is. They explain 3 ways that the night sky has been used throughout history.
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Lesson Plan
Think Map

Know Your Polygons!

For Teachers 3rd - 5th Standards
Shape shifters recognize characteristics of polygons. Embracing language arts skills in addition to math, they use a thesaurus to pinpoint specific attributes of a set of polygons. They also participate in a 21-question guessing game...
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Worksheet
Curated OER

SAT Problem Solving

For Students 10th
For this geometry worksheet, 10th graders practice taking math questions that are on the SAT. The questions deal with a variety of different math. There are 10 questions with an answer key.
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Lesson Plan
Curated OER

Symmetry

For Teachers 5th - 8th
Students explore symmetry. In this geometry lesson, student identify and define bilateral symmetry, radial symmetry, pentagonal symmetry, hexagonal symmetry, and cubic symmetry. Students construct examples of these types of symmetry and...
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Worksheet
Curated OER

Graphing Linear Inequalities

For Students 9th - 12th
In this graphing linear inequalities worksheet, students graph 1 linear inequality.  Students walk through each step to graphing the inequality and shading the appropriate region on the graph.
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Lesson Plan
Curated OER

Tessellation Lesson Plan

For Teachers 6th - 12th
Students produce original tessellations, using equilateral triangles where three unique symmetrical faces rotate, use shape, pattern/repetition, and color to create a striking composition, and create "beasties" inspired by bestiaries of...

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