Curated OER
Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)
Students explore encryption. They discuss the importance of cryptography in our daily lives. Students use games and cryptography to discover transformational geometry and modulo systems. They design their own encryption puzzles and...
Curated OER
Justifying Mathematical Conjectures
Sixth graders, in groups, explain why they think something. This requires students to listen to and respond to each other. In this particular lesson, 6th graders explain to their classmates when one can or cannot construct a specific...
Curated OER
"Sweet Clara and the Freedom Quilt" by Deborah Hopkinson
Middle schoolers create paper quilts of their own using the isometric grid that tessellates the plane or the fraction quilt square.
Curated OER
"The Greedy Triangle" by Marilyn Burns
Students discover which regular polygons can be used to tile a plane.
Curated OER
Investigating: Finding the Volume
Sixth graders explore geometry by utilizing colored cubes in class. In this volume lesson, 6th graders identify the different shapes they can create using their colored cubes and identify the formula for finding volume. Students create...
Curated OER
Gotcha Covered, Pardner!
Young geometers use the interactive website Cyberchase to practice calculating both area and perimeter. Real world problems encourage learners to discover that we use math each and every day.
Curated OER
Perimeter and Area of 2D Shapes
Learners find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area instructional activity, the teacher gives students formulas for each shape and measurement and works through examples on the board....
Curated OER
Guess My Piece -working with Legos
Students participate in guessing their partners' hidden Lego pieces from their verbal clues. They work in partners to accomplish their goals. They are meeting a variety of math standards by completing this lesson.
Curated OER
Exploring Geometric Patterns and Relationships
Sixth graders explore different geographic relationships in like drawing lines, rays, and parallelograms. This lesson plan could be used for review because it covers more than one concept. The students should have prior knowledge.
Curated OER
Introduction to Biometrics
Students use the internet to research how biometrics is being used in the real world today. They work together to research hand geometry applications. They share their findings with the class.
Curated OER
Sir Cumference and the Dragon Pi
Geometry adventurers study circumference of a circle as they listen to Sir Circumference and the Dragon Pi, by Cindy Neuschwander. In groups, they use string to measure the diameter and circumference of circular objects and...
Curated OER
Angle Action
Young scholars measure and label specified angles. In this angles lesson, students use a protractor to find angles that are acute, obtuse, and reflexive. Young scholars then label each angle and match the angles the correct definition....
Curated OER
Cut, Construct and Think 3
Young scholars identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.
Curated OER
Cut, Construct and Think - 4
Learners identify polygons. In this geometric shapes lesson, students identify and describe polygons. Learners create new shapes out of the shapes they are given.
Curated OER
Cut, Construct and Think - 6
Students identify polygons and calculate perimeter. In this geometric shapes lesson plan, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Curated OER
Illustrate Inequalities
Sixth graders participate in a lesson plan that involves the concept of inequalities. They translate the words of problems and put them into a visual illustration. The illustration should include a number line for assessment.
Curated OER
Properties of Lines - Parallel and Perpendicular
Sixth graders identify parallel and perpendicular lines in the alphabet. In this line properties instructional activity, 6th graders use the letters of the alphabet to show parallel and perpendicular lines. Students open a Geogrid Mat on...
Curated OER
Pythagorean Theorem Word Problems
Students investigate the concept of the Pythagorean Theorem for geometry by using word problems. The challenge is for them to translate the words into the right measurements for a triangle looking for the longest side known as the...
Curated OER
Building Blocks
Students study the relationship between landscape and building architecture. In this landscape architecture lesson, students examine the proposals for a new school building, and select the proposal they think is the best. Additionally,...
Shodor Education Foundation
An Introduction To Quadrilaterals
Young geometers investigate and apply properties of quadrilaterals. After a review and discussion of key terms, young scholars use a computer applet to explore four-sided figures and classify them according to their attributes. The...
Curated OER
The Golden Students
Scholars view the video, "Donald Duck in Mathmagic Land," and discuss examples in nature which have proportions of the golden ratio. They measure and record different body lengths from a worksheet and convert the ratios to equivalent...
University of Colorado
The Jovian System: A Scale Model
Jupiter has 67 moons! As the seventh in a series of 22, the exercise shows learners the size and scale of Jupiter and its Galilean moons through a model. They then arrange the model to show how probes orbited and gathered data.
Houghton Mifflin Harcourt
Developing Formulas for Circles and Regular Polygons
Formulas and procedures for finding the area and circumference are not provided on this handout, so it will be best used as a practice of already-acquired skills. It is a well-rounded assignment, however, as it includes diagrams,...
University of Colorado
Modeling Sizes of Planets
The density of the huge planet of Saturn is 0.7 g/cm3, which means it could float in water! In the second part of 22, science pupils explore the size and order of the planets. They then calculate weight and/or gravity and density of...
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