Lesson Plan
Curated OER

Ellipses (Part 1)

For Teachers 10th - 12th
Students work with Ellipses in Algebra II. In this algebra instructional activity, students solve an equation with a radical expression. They graph ellipses and write an equation for them.
Lesson Plan
Curated OER

Solving Systems vis Elimination

For Teachers 10th - 11th
Students solve systems of equation using elimination. For this algebra lesson, students identify the type of solutions produces by systems of equations. They discuss the type of lines formed given a linear pair.
Worksheet
Curated OER

NUMB3RS Activity: Implicit Orbits

For Students 10th - 11th
In this algebra worksheet, students solve word problems using algebraic equations and implicit differentiation. There are 16 problems dealing implicit differentiation.
Lesson Plan
Curated OER

Area

For Teachers 9th - 10th
Students solve problems involving area. In this geometry lesson plan, students calculate the area of an object and relate it to the area of the ocean. They define what exactly and area is and then solve problems relating to the real world.
Lesson Plan
Curated OER

The Value of a Number

For Teachers 2nd - 4th
Students assess informal methods to solve real-world problems that utilize simple equations that involve one variable. They incorporate concrete objects to assist them in the solving of a variety of equations. The students are actively...
Worksheet
Curated OER

Classifying Conic Sections

For Students 10th - 11th
In this conic section worksheet, students classify 8 conic sections. They write the standard form of 8 conic sections. Students sketch the graph of six shapes. For the graphs, students are directed to find either vertex and focus, or...
Interactive
Curated OER

SAT problem solving practice test

For Students 9th - 12th
In this online, interactive activity (7), students complete ten problems in 12 minutes to help prepare then to take the SATs. The problems vary in difficulty and content.
Worksheet
Curated OER

Guess My Rule

For Students 9th
In this algebra worksheet, 9th graders are given the x value of an equation and they must figure out the y value. This assignment is meant for alone time and not group work. There is an answer key.
Worksheet
Center for Innovation in Mathematics Teaching

Trigonometry

For Students 9th - 12th Standards
This unit covers the basic trigonometry including understanding radians, how to convert between radians and degrees, the area of a circle subtended by an angle, basic properties and graphs of sine, cosine, tangent, and solving...
Worksheet
Curated OER

Goldentail's Rounding Railroad

For Students 5th - 6th
In this number puzzle worksheet, students solve 24 equations in each of two sets of multiplication and division problems. They circle each answer and round them to the nearest whole number. They use the secret code that is shown in a box...
Worksheet
Curated OER

Finding Mass in the Cosmos

For Students 9th - 11th
In this finding mass in the cosmos instructional activity, students use the equations for the force of gravity, the centrifugal force pushing a planet outwards and the speed of a planet to solve 2 problems. They find the mass of primary...
Worksheet
Curated OER

The Mass of the Van Allen Radiation Belts

For Students 10th - 12th
In this van Allen Radiation Belts worksheet, students are given the formula for the field line of the Earth's inner magnetic field. Students use this equation to find the polar coordinates of a field line in the van Allen Belts. They...
Lesson Plan
Curated OER

Graphing Polar Coordinates

For Teachers 11th - 12th
Students define polar equations and learn to plot them. In this calculus activity, students relate polar equations to real life scenarios such as plants and comic strips. They discuss and define the curves of polar equations.
Lesson Plan
Curated OER

Related Rates

For Teachers 12th
Twelfth graders rewrite word problems using equations. In this calculus activity, 12th graders solve real world situation using the derivative. They solve problems on rate, and distance.
Worksheet
Curated OER

Today's Brainstorming Problem

For Students 3rd - 5th
For this brainstorming worksheet students will analyze tasks in order to focus on quick thinking. Students will alphabetize words, list zoo animals, construct a mathematical equation, and complete analogies.
Worksheet
Curated OER

Conic Sections

For Students 11th - 12th
In this conic sections worksheet, students solve and complete 17 various types of problems. First, they write the conics in standard form and graph. Then, students determine the equation that best represents each description that...
Lesson Plan
Curated OER

Introduction to Conic Sections

For Teachers 9th - 12th Standards
Learners slice cones and identify the different conics formed. They then derive the formula to solve problems involving cones. Pull out the TI calculators to visualize the slicing and the different parts and properties created.
Worksheet
Curated OER

Conics

For Students 11th
In this conic sections learning exercise, 11th graders solve and complete 16 different types of equations. First, they find the equation of the conic that has a given focus and directrix. Then, students convert each given polynomial to...
Lesson Plan
Curated OER

Time Management

For Teachers 6th - 9th
Students plot activities for a 24 hour day. They record their information on a spread sheet program. Students list categories they use and write equations for cells that add cells of each category together. Students create a pie chart of...
Worksheet
Curated OER

Rotation Velocity of a Galaxy

For Students 9th - 11th
In this orbit of stars in galaxies learning exercise, students are given an equation that models the orbital speeds of stars as they relate to their distance from the nucleus of a galaxy. Students solve 5 problems using this equation and...
Worksheet
Curated OER

Properties of Exponential Functions

For Students 10th - 11th
In this algebra instructional activity, learners graph exponential equations and use the formula to translate the graph on a coordinate plane. There are 3 word problems.
Lesson Plan
Curated OER

The Mass of the Moon

For Teachers 9th - 10th
In this mass of the Moon worksheet, students use the lunar orbit and the orbit period to determine the mass of the Moon. They solve 4 problems including finding the mass of the Moon, determining the ratio of the Moon's mass to the...
Worksheet
Curated OER

Name The Shaded Region

For Students 10th
In this geometry worksheet, 10th graders use Venn diagrams to show what values an equation has in common and what values they do not. Students must name the shaded regions in the Venn diagrams. There are 4 diagrams with answer key.
Lesson Plan
Curated OER

Graphing Inequalitites

For Teachers 9th
Ninth graders graph inequalities. In this algebra lesson, 9th graders graph equations on a number line using inequalities and plain numbers. They solve inequalities with negative numbers also.