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Activity
Curated OER

The Big Apple

For Teachers All
This lesson has various activities that can be done simultaneously in groups or one at a time with the entire class. The activities center around New York and apples.
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Lesson Plan
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Planetary Orbit

For Teachers 5th - 8th
Students compare and contrast ellipses of various eccentricities that represent the shape of planetary orbits. They make a circle with the string by trying the two ends togther. Students calculate the eccentricity of their ellipses by...
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Lesson Plan
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Surface Area and Volume of Similar Solids

For Teachers 8th - 10th
Students explore similar figures. In this surface area and volume lesson, students identify the relationship between the surface area and volume of similar figures.
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Lesson Plan
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Light Bounce

For Teachers 9th - 11th
Students solve problems involving triangles. In this geometry lesson, students apply properties of triangles to find the missing angles and sides. They identify angles of parallel lines cut by a transversal.
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Lesson Plan
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Exploring Trigonometric Ratios

For Teachers 10th - 12th
Students calculate the different ratios using a right triangle. In this trigonometry lesson, students identify the sine, cosine and tangent of each side. They find the missing angles using the different ratios.
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Lesson Plan
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Searching The Word

For Teachers 5th
Fifth graders review EOG math terms and definitions found in their math notebooks, and pick between 15 and 20 words to put in a word search.
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Lesson Plan
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In Your Prime

For Teachers 3rd - 4th
Students study how to find prime numbers. They investigate the teachings of the mathematician Eratosthenes and apply his theory of prime numbers less than 100.
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Lesson Plan
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"The Yeast of Our Worries"

For Teachers 9th - 10th
Students study yeasts or cellular respiration in this inquiry activity. They examine different types of bread to show which rise or do not. They measure the amount of carbon dioxide released by the yeasts when using different sweeteners.
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Lesson Plan
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Scientific Notation

For Teachers 7th - 9th
Learners observe the teacher writing numbers and determine the rules for scientific notation. After explanations, they perform operations on numbers in scientific nation and discuss reasons for using this method of writing numbers and...
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Lesson Plan
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Exploring Trigonometric Functions

For Teachers 9th - 12th
Students are introduced to the characteristics of trigonometric functions. In groups, they analyze graphs of sine and cosine to determine the lengths of a triangle. They compare and contrast the graphical and numerical characteristics...
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Lesson Plan
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Care Homework #1: Real Numbers

For Teachers 6th - 8th
In this care homework worksheet, middle schoolers add, subtract, multiply and divide numbers with decimals.  They solve problems involving mixed numbers.  Students find the area and perimeter of triangles and rectangles. ...
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Lesson Plan
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Integers and Measurement

For Teachers 4th - 6th
In this integers and measurement worksheet, students solve 24 various types of problems as defined. They reduce all fractions to lowest terms. Then, students draw a diagram and show the measurements to the proper power and pi for the...
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Lesson Plan
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Cafeteria Mayhem

For Teachers 9th - 12th
High schoolers design a cafeteria floor plan. In this area and perimeter lesson, groups create an efficient lunchroom layout on poster board by using geometric shapes and formulas as the basis for their designs. In the accompanying...
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Worksheet
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Winter Olympics: Crossword Puzzle

For Students 3rd - 5th
In this crossword puzzle learning exercise, students complete a puzzle of the Winter Olympics using 15 clues found beneath the puzzle.
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Worksheet
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Understanding Symbols

For Students 7th - 10th
In this symbols worksheet, students read about how different symbols are used to represent variables or constants in equations. Then students complete 3 problems.
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Activity
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Life in a Geometrical Town

For Teachers 5th - 6th
In this geometry worksheet, students create a map that uses various geometrical concepts. The final project is the creation of a "geometrical town." Rubric for grading is included.
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Lesson Plan
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Introducing Trigonometry

For Teachers 11th
Eleventh graders explore the three basic trigonometric functions. In this trigonometry/Algebra II lesson, 11th graders use GeoGebra and the unit circle to define the ratios of sides is a right triangles as they examine the full domain...
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Lesson Plan
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Circle Packing

For Teachers 9th - 10th
Learners identify different parts and properties of circles. In this geometry lesson, students identify the radius, diameter, semicircle and inscribed angle of a circle. They identify the tangent lines to a circle.
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Worksheet
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Sixth Grade Measurement

For Students 6th
In this geometry instructional activity, 6th graders complete word problems where they must find the area and perimeter of different shapes. Students complete 15 problems.
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Lesson Planet Article
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Go Ahead, Take a Guess! Estimating in the Real World

For Teachers 3rd - 6th
Learning how to use estimating to solve real life problems can be a great way for students to apply math skills.
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Lesson Plan
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Tree Measurement

For Teachers 4th - 6th
Learners work in pairs taking measurements of a tree. They measure the trunk, crown, and height using vertical and horizontal measurement. Then students create a bar graph using the information they gathered.
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Lesson Plan
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Remarkable Trees of Virginia

For Teachers 4th - 5th
Students draw a picture of their favorite tree from memory, and then add detail as they learn more about leaf characteristics of Virginia trees. They will use their writing skills to nominate one or more of their favorite trees to the...
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Lesson Plan
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Pythagorean Theorem Investigation

For Teachers 8th
Eighth graders investigate the Pythagorean Theorem and practice applying the theorem to various triangles. Finally, in the next lesson in the sequence, 8th graders create a song or a story to help them remember the Pythagorean Theorem.
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Lesson Plan
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Water and Ice

For Teachers K - 2nd
Students explore what happens to water as it goes from solid to liquid and back. In this state of matter lesson, students observe, measure, and describe water as it changes state.