Curated OER
Finding Primes-The Sieve of Eratosthenes
For this middle school/Algebra I worksheet, students use the sieve of Eratosthenes to determine the prime number less than two hundred. The one page worksheet contains one problem. Answer is not provided.
Curated OER
Discovering Math Concepts in Advanced Algebra
Students explore the concept of Chinese contributions in mathematics. In this Chinese contributions in mathematics lesson, students research Chinese achievements in mathematics. Students solve 3x3 systems of equations using the method...
Curated OER
Pythagorean Theorem
Learners engage in a study of the Pythagorean Theorem to classify the hypotenuse of a triangle. The teacher uses examples from the lesson to aid students in comprehension of solving problems that involve problem solving. They create a...
Curated OER
Diophantus II
Students use an ancient math game to establish the context for solving problems by investigating them in a systematic and mathematical way. They also need to have the ability to solve various types of equations.
Curated OER
Graphing Solutions To Inequalities On A Number Line
Eighth graders graph solutions to problems on a number line. After discussing algebraic expressions, 8th graders discuss how to solve them using an inequality. They observe examples and then work problems at their desks and on the...
Curated OER
Probability
In the probability and statistics worksheet, students determine the probability of an event occurring. The one page worksheet contains one multiple choice question with the solution.
Curated OER
Constructing Tangrams
Sixth graders are introduced to how geometry and algebra are related. In groups, they graph various points on a coordinate plane and write the ordered pair for each quadrant. Using this information, they create their own tangrams to...
Curated OER
8th Grade Math Properties
Eighth graders engage in a lesson that is concerned with the properties associated with 8th grade Algebra. They solve problems using a variety of contexts and participate in using real world problems to create context. Students...
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Tied Up In Knots
Students untie knots and relate it to math. For this algebra lesson, students explore the history of knot tying. The tie their own knots and untie the knots using ropes.
Curated OER
Graphing Inequalities
Students graph inequalities on a number line and discuss how to solve for one variable. The teacher models examples as students take notes. In groups, students participate in an activity to demonstrate inequalities on a number line. ...
Curated OER
Using Geometric Shapes To Make Patterns
Sixth graders explore the use of shapes to create geometric patterns. they start with a simple example of dividing shapes in half to create two new ones. This can be extended to creating intricate patterns.
Curated OER
Identifying Functions
Students, after completing a warm up exercise on one proportion word problem, distinguish between functions and non-functions. They identify domain and range on a function as well as recognize and implement function notation. They solve...
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Simplifying Expressions (Multiplication and Division)
Seventh graders simplify algebraic expressions using multiplication and division to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Students complete various...
Curated OER
Completing the Square Lesson Plan
Students investigate the origin of the quadratic function. In this algebra lesson, students analyze solving an equation by completing the square. They compare the early methods as compared to our method for solving quadratics.
Curated OER
Pythagorean Theorem Word Problems
Middle schoolers investigate the concept of the Pythagorean Theorem for geometry by using word problems. The challenge is for them to translate the words into the right measurements for a triangle looking for the longest side known as...
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Inching Our Way Into The Metric System
Students investigate the Metric System. They discuss the history of the Metric System, convert various units of measurement into the Metric System, and solve problems on a spreadsheet.
Curated OER
Middle School Math
Students participate in a unit that introduces them to solving problems that is introductory to algebra. They look at positive and negative numbers on the number line and practice solving problems using the distributive property.
EngageNY
Why Do Banks Pay YOU to Provide Their Services?
How does a bank make money? That is the question at the based of a instructional activity that explores the methods banks use to calculate interest. Groups compare the linear simple interest pattern with the exponential compound interest...
EngageNY
Why Were Logarithms Developed?
Show your class how people calculated complex math problems in the old days. Scholars take a trip back to the days without calculators in the 15th installment of a 35-part module. They use logarithms to determine products of numbers and...
EngageNY
Exponential Growth—U.S. Population and World Population
Show how exponential growth can look linear. Pupils come to understand the importance of looking at the entire picture as they compare the US population to the world population. Initially, the populations look linear with the same rate...
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
Special Triangles and the Unit Circle
Calculate exact trigonometric values using the angles of special right triangles. Beginning with a review of the unit circle and trigonometric functions, class members use their knowledge of special right triangles to find the value of...
Curated OER
"A Grain of Rice" by Helena Clare Pittman
Learners solve the problem that comes up in the story. They realize the explosive growth of the powers of 2.
Curated OER
Hot Wheels
Students observe the action produced by toy cars. In this geometry lesson, students discuss motion and distance as they relate to the movement of a spherical object.They collect data and make conjectures based on their data.