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Lesson Plan
Curated OER

Ratios

For Teachers 6th - 7th
Students explore the concept of ratios. In this ratios lesson plan, students use matchbox cars and models of spaceships to explore ratios. Students determine scale for the above mentioned objects in this lecture style lesson plan.
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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.
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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.
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Interactive
Curated OER

Using Proper Tools to Solve Problems I

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

Rational Expressions Test with a Calculator

For Students 11th - Higher Ed
In this rational expression worksheet, learners 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. 
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Lesson Plan
Curated OER

Triangles in Architecture

For Teachers 10th - 12th
Students 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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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.
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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.
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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.
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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...
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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.
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Lesson Plan
Curated OER

Geometry: Area Project

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

Where In the World Are We?

For Teachers 5th
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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Lesson Plan
Curated OER

Cuisenaire Chefs

For Teachers 2nd - 4th
Learners study the fractional values of Cuisenaire rods while working with favorite family recipes.
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Lesson Plan
Curated OER

The Proof

For Teachers 9th - 11th
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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Lesson Plan
Curated OER

Area of Complex Figures

For Teachers 5th
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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Lesson Plan
Curated OER

Investigating Nets and Polyhedra

For Teachers 5th
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...
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Worksheet
Curated OER

The BUDGET Truck Problem

For Students 10th - 11th
In this secondary mathematics worksheet, students solve a problem which involves how far behind a rental truck must the driver of a car be so that he can see a stoplight from behind the truck.  The problem can be solved with similar...
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Worksheet
Curated OER

The Baby Gate Problem

For Students 9th - 12th
For this secondary mathematics worksheet, students expand a six-panel play yard by two-panels  Students determine the width of each panel and the area of the expansion. The one page worksheet contains one problem with the...
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Lesson Plan
Curated OER

Differentials

For Teachers 10th - 12th
Young scholars investigate Differential equations using derivatives. In this calculus lesson, students solve problems of differential equations by taking the derivative and explaining the changes that occurred in the equation and circle....
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Worksheet
Curated OER

Scientific Notation

For Students 8th - 10th
In this algebra worksheet, students identify the correct method to write positive and negative exponents. They solve word problems and write in scientific notation. There are 21 questions with an answer key.
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Lesson Plan
Curated OER

Friction This

For Teachers 6th - 8th
Students investigate road surface and calculate speed. In this algebra lesson plan, students analyze the roughness of a road and calculate distance and speed based on friction. They relate friction and energy to speed.
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Worksheet
Curated OER

Hands On: Explore Perimeter

For Students 5th - 6th
In this perimeter word problems worksheet, students enhance their understanding of perimeter by solve the six word problems.