Curated OER
Area Unit
Learners solve the area for parallelograms,squares, rectangles, trapezoids, and triangles. In this geometry lesson, students compare and contrast two dimensional shapes and apply their properties to solving real life scenarios. This is a...
Curated OER
Using Proportions to Estimate
Students calculate ratio and proportion. In this unit rates lesson, students estimate using proportions and find their errors in doing so. They calculate unit rates and define the concept of unit rates.
Curated OER
Line Graphs
For this algebra worksheet, students describe the relationship between a line graph and its data. They define the reasons line graphs are used and discuss increasing and decreasing lines. There is one involved questions, requiring...
Curated OER
In Strawberry Fields
Students discuss the origin of strawberries and employees involved with picking strawberries. In this algebra lesson plan, students discuss how much a worker who picks strawberry makes based on their flats. They create a table with the...
Curated OER
Building Scales and Ratios
Students solve problems using scales and ratios. In this algebra lesson, students create drawings using scales of 1:12. They follow a key to help them draw different buildings using the right scales. They also complete word problems as a...
Curated OER
Coordinate Plane
Tenth graders plot points on a coordinate plane. In this geometry lesson, 10th graders identify the different quadrants, plots points on a number line and coordinate plane and solve for the midpoint of line segments.
Curated OER
A Penny Saved is a Penny Earned
Students explore the concept of exponential growth. In this exponential growth instructional activity, students manipulate power models with base 2. Students discuss what would happen if you doubled a penny over the course of...
Curated OER
The Mayan Calendar
Students analyze the Mayan calendar and define its meaning. In this algebra lesson plan, students explain what the Mayan calendar means and how it works. They define the symbols and recreate a simplified version of the Mayan calendar.
Curated OER
Accounting
Learners create bank reconciliation spreadsheet. In this algebra lesson, students discuss the basics about business, money and bank accounts. They use a bank reconciliation statement correctly.
Curated OER
Infusing Equity in the Classroom by Gender
Students investigate the idea of gender descrimination in the classroom. In this algebra lesson, students collect data in stereotyping, and gender bias in the classroom, school materials and activities. They graph and analyze their...
Curated OER
Bar Graphs
Students perform operations and graph their data using charts and bar graphs. In this algebra lesson, students follow specific steps to make a bar graph. They create a survey about people favorite things and plot their data from the...
Curated OER
Intro to Mayan Numbers
Learners investigate Mayan Numbers. In this algebra lesson, students compare our number system to the number system of the Mayans. They identify base 10 and base 20 numbers including zero in the Mayan symbols. They solve a Mayan problem.
Curated OER
Real Misleading Graphs
Students identify real graphs and misleading graphs. In this algebra lesson, students surf the Internet for real life scenarios where graphs are used in a misleading way as well as in a correct way.
Curated OER
Set Design
Students explore proportional reasoning. In this middle school mathematics lesson students investigate scale drawings as they create a proportional representation for the carvings on Mt. Rushmore.
EngageNY
Buying a Car
Future car owners use geometric sums to calculate payments for a car loan in the 31st installment of a 35-part module. These same concepts provide the basis for calculating annuity payments.
West Contra Costa Unified School District
Work Problems – Bar Models
Why do we have to do so much work? Scholars learn how to set up bar models to represent a situation involving work. They use these bar models to help set up equations with rational coefficients to solve the problem situation.
EngageNY
Irrational Exponents—What are 2^√2 and 2^π?
Extend the concept of exponents to irrational numbers. In the fifth installment of a 35-part module, individuals use calculators and rational exponents to estimate the values of 2^(sqrt(2)) and 2^(pi). The final goal is to show that the...
EngageNY
Credit Cards
Teach adolescents to use credit responsibly. The 32nd installment of a 35-part module covers how to calculate credit card payments using a geometric series. It teaches terminology and concepts necessary to understand credit card debt.
EngageNY
Trigonometry and the Pythagorean Theorem
Ancient Egyptians sure knew their trigonometry! Pupils learn how the pyramid architects applied right triangle trigonometry. When comparing the Pythagorean theorem to the trigonometric ratios, they learn an important connection that...
EngageNY
Trigonometry and Complex Numbers
Complex numbers were first represented on the complex plane, now they are being represented using sine and cosine. Introduce the class to the polar form of a complex number with the 13th part of a 32-part series that defines the...
EngageNY
Another Computational Model of Solving a Linear System
The process of elimination really works! Use elimination when substitution isn't doing the job. The 29th segment in a series of 33 introduces the elimination method to solving linear systems. Pupils work several exercises to grasp the...
West Contra Costa Unified School District
Conics Introduction and Parabolas
Where did conic sections get their name? The equation and graph of a parabola are developed from the definition of the conic section. Teacher examples on graphing the equation and writing an equation from the graph round out the plan.
West Contra Costa Unified School District
Talking About Distance, Rate and Time
Connect the tortoise and the hare fable to mathematics. Learners first identify key terms related to distance, rate, and time. They then solve distance/rate/time problems using different representations.
West Contra Costa Unified School District
Solving Systems of Inequalities
Don't throw away those transparency sheets just yet! Young scholars first review inequalities on a number line, then learn about graphing inequalities in the coordinate plane. Finally, they use overhead transparencies to create systems...