Interactive
Curated OER

Euler Fortune Problem

For Students 10th - 12th
For this problem solving worksheet, students solve for the amount of the fortune a father starts with before he divides it among his children, given a set of clues.  Students must also solve for how many children the money is...
Lesson Plan
Curated OER

Distance, Scientific Notation

For Teachers 9th - 11th
Learners calculate the distance of two objects, and rewrite numbers using scientific notation. In this algebra lesson, students solve linear equations and plug the values back into the equations to check their answers. They write small...
Lesson Plan
Curated OER

Subtracting Monomials and Polynomials

For Teachers 10th - 12th
Students subtract monomials and polynomials by combining like terms. In this advanced subtraction activity, students define the rules and properties for subtraction of polynomials. They apply the rules for addition to help with the rules...
Worksheet
Curated OER

Analytic Geometry-Good Problems from Alex Pintilie

For Students 10th - 12th
In this analytic geometry instructional activity, students solve 12 word problems. Problems cover identifying the locus of an equation as well as the locus.
Worksheet
Curated OER

Hands-On Equations

For Students 5th
Use this worksheet with the Hands-On Equations kit of manipulatives. Learners find the value of x in 5 equations, then check their answers. A great addition to your math lesson!
Lesson Plan
Curated OER

Nets And Surface Area

For Teachers 4th - 6th
Upper graders investigate how to find the surface area when using two-dimensional shapes. They conduct an investigation in groups while working sample problems given during class discussion with the teacher. They also review how to...
Lesson Plan
Curated OER

Exploring Geometric Constructions of Parabolas

For Teachers 6th - 8th
Learners are introduced to the construction geometrically of parabolas. Using a software program, they identify lines, segments and midpoints. They label the parabolas properties and characteristics and use a formula to determine the...
Worksheet
Curated OER

Easy Worksheet: Congruent Segments

For Students 9th - 12th
In this congruent segments learning exercise, students solve 6 short answer problems. Students justify steps in a proof by identifying the reason for various steps. Students justify steps of proofs using the transitive property,...
Worksheet
Curated OER

Mr. Payne Word Search Puzzle

For Students 5th - 6th
In this language arts worksheet, students study 10 words in a word bank, then locate them in a word search puzzle. The words appear to be related to algebra; the meaning of the title is not known. There is one misspelled word in the word...
Lesson Plan
Pennsylvania Department of Education

Multiplication Represented as Arrays

For Teachers 3rd
Third graders collect data about themselves and use in a line plot. In this analyzing data lesson, 3rd graders collect various sets of information,create a line plot and compare the data.  Students complete a worksheet on their...
Worksheet
Curated OER

More Quadrilaterals

For Students 3rd - 5th
In this quadrilaterals instructional activity, students identify shapes and their properties. In this problem solving instructional activity, students answer fourteen questions.
Lesson Plan
Curated OER

Triangle Sum Theorem

For Teachers 10th
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two...
Lesson Plan
Curated OER

Internet Measurement

For Teachers K
Students become familiar with how to get information from the Internet. In this math and technology lesson plan, students measure objects on a measurement sheet found on a web site. They practice using a standard unit of measurement...
Lesson Plan
Curated OER

Sizing Up the Supersize Croc

For Teachers 6th - 8th
Middle schoolers examine and compare traits of humans and crocodiles.  In this crocodile instructional activity students use a ratio to estimate the height of a person and compare that to a crocodile. 
Lesson Plan
Curated OER

Unit Plan On Quadratic Equations

For Teachers 9th - 12th
High schoolers explore a variety of ways of solving quadratic equations. Students choose from graphing, factoring, finding square roots, completing the square and using the Quadratic formula. They ponder in the end on polynomial equations.
Lesson Plan
Curated OER

How many isosceles Triangles Can You Find?

For Teachers 5th
Fifth graders solve problems while examining a variety of isosceles triangles.  In this isosceles triangle lesson, 5th graders examine shapes to find their characteristics.  Students pay particular attention to the...
Lesson Plan
Curated OER

Perpendicular Segments in a Circle

For Teachers 9th - 12th Standards
High schoolers explore the concept of circles as they construct a circle using a program such as Cabri Jr. Learners construct a chord and a diameter that are perpendicular, then measure the bisected chord and notice that both sides of...
Lesson Plan
Curated OER

Investigating Segments in a Triangle

For Teachers 9th - 12th Standards
Pupils investigate segments in a triangle by constructing a triangle using Cabri Jr. They construct segments within the triangle that lie on the midpoints of the triangle's sides. Learners then compare the slope of base of the triangle...
Worksheet
Curated OER

Aurora to Magnetosphere Global Exploration

For Students 9th - 11th
In this magnetosphere global exploration worksheet, students read about the instrument on board a satellite launched by NASA called the Radio Plasma Imager. This imager detects echoes from plasma clouds. Students calculate the distance...
Lesson Plan
Curated OER

Circles

For Teachers 10th
Tenth graders explore and define the radius and diameter of a circle. In this geometry lesson, 10th graders calculate the circumference and area of a circle using real world objects and shapes. They discuss chords and lines tangent...
Lesson Plan
Curated OER

Honing in on Hummingbirds

For Teachers 2nd - 4th
Students explore ruby-throated hummingbirds.  In this cross-curricular hummingbirds lesson, students listen to the book The Mystery of the Missing Hummingbirds and choose related topics to research with a partner. Students draw or...
Lesson Plan
Curated OER

Introduction To Solving Equations

For Teachers 6th - 7th
Use manipulatives (film cans and balance scales) to visualize and solve equivalent equations with your math class. After a lecture/demo, they utilize handouts and solve various equations using the methods learned.
Lesson Plan
Alabama Learning Exchange

Trapezoids: What's Equal or Right About Them?

For Teachers 8th - 10th Standards
Pupils explore the concept of trapezoids.  In this trapezoids instructional activity, students identify legs and bases of a trapezoid.  Pupils discuss the similarities and differences between isosceles trapezoids and right...
Lesson Plan
Curated OER

The Commutative Property

For Teachers 3rd - 5th
Students explore arrays. They get into pairs and receive bags of small buttons to each group.