EngageNY
Prove the Pythagorean Theorem Using Similarity
Amaze your classes with the ability to find side lengths of triangles immediately — they'll all want to know your trick! Learners use the Pythagorean Theorem and special right triangle relationships to find missing side lengths.
EngageNY
From Ratio Tables to Equations Using the Value of a Ratio
Use the value of a ratio to set up equations. The teacher leads a discussion on determining equations from ratio tables in the 13th portion of a 29-part series. Pupils determine which of two equations to use to find the solution....
EngageNY
Distributing Expressions
You know how to factor expressions; now it's time to go the opposite way. Scholars learn to write algebraic expressions in expanded form using the distributive property. A problem set helps them practice the skill.
Education World
Pumpkin Puzzler
Light the Halloween festivities with an exercise that connects math, physical science, and language arts. After watching a demonstration of a burning candle, learners use division, multiplication, or algebra to determine how many boxes...
Curated OER
Perplexing Patterns
Seventh graders identify and find missing patterns. In this algebra lesson, 7th graders investigate numbers and sequences and complete the pattern. They make a chart and discuss similarities and differences.
Curated OER
Algebra—Quadratic Equations and Functions
Students use given information on wind speed with the quadratic formula to determine the pressure of the wind on a building. In this quadratic equations lesson, students compute the pressure of the wind from two data tables. They graph...
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...
National Security Agency
A Balancing Act: Solving Multi-Step Equations
Wow! Put on that thinking cap and solve multi-step equations. To solve equations, learners review the use of the distributive property and combining like terms. This three-day lesson comes with about 20 pages of worksheets, warm-ups,...
Curated OER
Number Operations
Learners investigate integers and solve problems using integers. In this algebra lesson, students solve problems to help improve speed and accuracy of mental math. They develop a deeper knowledge of the way integers are used on a daily...
Curated OER
The X Factor - Trinomials and Algebra Tiles
Students use algebra tiles to identify the binomial factors and the graphing calculator to verify the result. In addition, they will identify the x-intercepts and y-intercepts of each trinomial function and explore relationships between...
EngageNY
Summarizing Bivariate Categorical Data
How do you summarize data that cannot be averaged? Using an exploratory method, learners complete a two-way frequency table on super powers. The subject matter builds upon 8th grade knowledge of two-way tables.
Curated OER
Patterns in Pascal's Triangle
Students examine the patterns in Pascal's Triangle. In this recognizing lesson, students view a model of Pascal's Triangle and describe the patterns of the multiples. Students identify the shapes that are made within Pascal's Triangle.
Curated OER
Reading Graphs
Working independently or in teams, your class practices connecting graphs, formulas and words. This instructional activity includes a guided discussion about distance vs. time graphs and looking at how velocity changes over time.
West Contra Costa Unified School District
Using Bar Models to Solve Rate Problems
Pupils visualize distance-rate-time problems by using bar models. The lesson presents examples of four different types of rate problems and shows how they can be solved using bar models and equations. Each example is followed...
EngageNY
Nature of Solutions of a System of Linear Equations
If at first you cannot graph, substitute. The lesson introduces the substitution method as a way to solve linear systems if the point of intersection is hard to determine from a graph. The 28th installment of a 33-part series finishes...
Curated OER
Linear Regression and Correlation
Learners explore scatter plots. In this linear regression lesson, groups of pupils graph scatter plots and then find the line of best fit. They identify outliers and explain the correlation. Each group summarizes and shares their...
EngageNY
Linear Models
Expand your pupils' vocabulary! Learn how to use statistical vocabulary regarding linear models. The lesson teaches scholars the appropriate terminology for bivariate data analysis. To complete the module, individuals use linear...
EngageNY
Nonlinear Motion
Investigate nonlinear motion through an analysis using the Pythagorean Theorem. Pupils combine their algebraic and geometric skills in the 24th lesson of this 25-part module. Using the Pythagorean Theorem, scholars collect data on the...
Curated OER
Awareness of Pre-algebra Concepts
Students work in a cooperative group of three to solve algebraic equations with roles assigned for manipulator, recorder, and checker. They utilize hands-on learning materials imbedded in the lesson plan.
Curated OER
2, 4, 6, 8 . . .What Do We Appreciate-Patterns, Patterns, Patterns
Students discover and predict patterns in a numerical sequence. Through the Internet and video segments, students begin with basic number patterns and extend their knowledge into higher math skills. They will also create new patterns...
Curated OER
Factoring Trinomials
Students factor trinomials using algebra tiles and blocks. In this algebra lesson plan, students complete a trinomials station activity. They work backwords to find their answers and discuss their steps in a group.
Curated OER
Balancing Equations
Students balance equations using the correct method. In this algebra lesson, students solve linear equations using a virtual balance beam as a manipulative. They play games to reinforce the concept of equations being and staying balanced.
Curated OER
Graphing Polynomials
Students graph polynomial equations using different methods. In this algebra lesson plan, students identify the different ways the x and y values relate in a graph. They solve for x by finding the zero's of the polynomials.
Curated OER
Conic Sections
Students explore the different properties of conics. In this algebra lesson, students calculate the midpoint of a line, the distances between two points as they get ready to find the focus and directrix in eclipse and other conics. They...