Curated OER
Exploring Area/Perimeter Through Coordinate Geometry
Students explore area and perimeter through coordinate geometry using student literature, hands-on manipulatives, and the Internet.
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Introduction to Estimation and Making Arrays
Students explore the concept of estimating and organizing a group of objects into an array to count the exact number of items. They create their own arrays and practice elements of estimation.
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How Big Is Your House?
Students create a scale drawing of their own homes. They use geometric formulas to find the area of each room and the total area of the home.
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Polygon Perimeters
Learners define the terms polygon and perimeter to begin the lesson. Using a calculator, they practice determining the perimeter of various symbols in a painting. They discuss how geometry and art are related to one another.
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Focusing Light With a Lens
Pupils experiment with a converging lens. They observe the image of an object through a lens. They determine the magnification of the lens.
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Calculating Volume in the Forest
Eighth graders use their knowledge of calculating the volume of cylinders to calculate the volume of trees. For this volume lesson plan, 8th graders identify why calculating the volume of cylinders would be valuable to a forester.
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Money and Sports
Sixth graders translate sports vocabulary words from English to Spanish and complete money problems containing decimals. In this money and sports lesson plan, 6th graders use words to communicate to each other.
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Pumpkin Circuit
Students complete a variety of activities using pumpkins. They visit various stations with various pumpkin activities.
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Dealing With Data
Students collect, organize, and display data using a bar graph, line graph, pie graph, or picture graph. They write a summary describing the data represented and compare the graph to another graph in the class.
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Exponents III- Squares and Square Roots
Students explore the process of inverse operations to solve square root problems. After exploring the perfect squares and area, students examine methods to find square roots by observing the teacher, taking notes, and listing vocabulary...
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Ratios
Students explore the concept of ratios. In this ratios lesson, students use matchbox cars and models of spaceships to explore ratios. Students determine scale for the above mentioned objects in this lecture style lesson.
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How to Tell Time to the Hour
Learners discover how to tell time. In this telling time lesson, students examine the parts of analog clocks and then use an activity page to make their own paper clocks. Learners practice telling time to the hour using the clocks.
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Triangles in Architecture
Learners find triangles in the real world. In this geometry lesson, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.
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The Box Problem
Pupils create graphic, algebraic and verbal ideas of functions. In this algebra lesson, students graph functions and identify the zeros of the functions. They find the domain and range and classify functions as relation or not.
Pennsylvania Department of Education
Fractions and Ribbons
Fifth graders solve division problems using partial quotients. In this long division lesson, 5th graders practice seeing division as a process of repeated subtraction and estimation. This lesson provides a script for the teacher.
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Geometry: Area Project
Sixth graders identify and use area formulas for finding the area of geometric shapes.
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Estimation
Students estimate quantity, length, and area. Students practice making comparison estimations of different items and estimate whether or not the amount is greater or less than a certain amount. Students practice making estimations.
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Surveying: 19 Chains and 50 Links
Through an interdisciplinary instructional activity, emerging engineers explore the history of surveying systems. After discussing various systems, they perform surveys on printable pages. Using their geometric skills, they physically...
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Strength in Size? Madagascar Cockroach Pulls
Fourth graders conduct an experiment involving size and relative ability in smaller species using Madagascar cockroaches. They make predictions about how many pennies the roaches can pull, compare the results to human strength, and...
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Where In the World Are We?
Fifth graders read postcards and find their locations on maps. They use the pictures and text on the postcards to write about imaginary vacations. They compute the mileage and compare it to TripMaker data.
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Cuisenaire Chefs
Learners study the fractional values of Cuisenaire rods while working with favorite family recipes.
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The Proof
Students will construct simple curves on graph paper by connecting a series of points between the vertical and horizontal axes. They share their designs and explain the patterns.
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Area of Complex Figures
Fifth graders use formulas for calculating areas of squares and rectangles to find area of complex figure, compare their own ideas with their classmates' ideas, and recognize that there are multiple methods for finding area of complex...
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Investigating Nets and Polyhedra
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...