Lesson Plan
Curated OER

Exploring Area/Perimeter Through Coordinate Geometry

For Teachers 3rd - 4th
Students explore area and perimeter through coordinate geometry using student literature, hands-on manipulatives, and the Internet.
Worksheet
Curated OER

Classifying Triangles

For Students 10th
In this classifying triangles worksheet, 10th graders solve 9 various problems that classify triangles into categories. First, they refer to the figure shown of an isosceles triangle with two line parallel. Then, students name the sides,...
Lesson Plan
Curated OER

Introduction to Estimation and Making Arrays

For Teachers 2nd - 3rd
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.
Lesson Plan
Curated OER

How Big Is Your House?

For Teachers 7th - 8th
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.
Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Students 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.
Lesson Plan
Curated OER

Focusing Light With a Lens

For Teachers 9th - 12th
High schoolers experiment with a converging lens. They observe the image of an object through a lens. They determine the magnification of the lens.
Lesson Plan
Curated OER

Calculating Volume in the Forest

For Teachers 8th
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.
Lesson Plan
Curated OER

Money and Sports

For Teachers 6th
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.
Lesson Plan
Curated OER

Pumpkin Circuit

For Teachers 1st - 5th
Students complete a variety of activities using pumpkins. They visit various stations with various pumpkin activities.
Lesson Plan
Curated OER

Dealing With Data

For Teachers 3rd - 8th
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.
Lesson Plan
Curated OER

Exponents III- Squares and Square Roots

For Teachers 7th - 8th
Learners 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...
Lesson Plan
Curated OER

Ratios

For Teachers 6th - 7th
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.
Lesson Plan
Curated OER

How to Tell Time to the Hour

For Teachers 1st - 2nd
Students 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. Students practice telling time to the hour using the clocks.
Interactive
Curated OER

Using Proper Tools to Solve Problems-Pre Test

For Students 4th - 6th
In this using proper tools worksheet, students answer a set of 10 multiple choice questions. Students may click on a link to see answers and may print worksheet out.
Interactive
Curated OER

Using Proper Tools to Solve Problems I

For Students 5th - 7th
In this tools for problem solving worksheet, students complete a set of 10 multiple choice questions. Worksheet is labeled as a "post test." Answer link provided.
Worksheet
Curated OER

Rational Expressions Test with a Calculator

For Students 11th - Higher Ed
In this rational expression worksheet, students graph rational equations, evaluate limits, state intercepts, asymptotes, and roots and factor.  This worksheet is designed as a test to be completed with a calculator. 
Lesson Plan
Curated OER

Triangles in Architecture

For Teachers 10th - 12th
Students find triangles in the real world. In this geometry lesson plan, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.
Lesson Plan
Curated OER

The Box Problem

For Teachers 8th - 10th
Students 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.
Lesson Plan
Pennsylvania Department of Education

Fractions and Ribbons

For Teachers 5th
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.
Lesson Plan
Curated OER

Geometry: Area Project

For Teachers 6th
Sixth graders identify and use area formulas for finding the area of geometric shapes.
Lesson Plan
Curated OER

Estimation

For Teachers 2nd - 6th
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.
Lesson Plan
Curated OER

Surveying: 19 Chains and 50 Links

For Teachers 6th - 8th Standards
Through an interdisciplinary lesson, emerging engineers explore the history of surveying systems. After discussing various systems, they perform surveys on printable pages. Using their geometric skills, they physically stake out plots...
Worksheet
Curated OER

Drawing Triangles

For Students 6th
In this drawing triangles worksheet, 6th graders read the dimensions of four triangles, given the length or the angle, identify the type of triangle and draw it.
Lesson Plan
Curated OER

Strength in Size? Madagascar Cockroach Pulls

For Teachers 4th
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...