Curated OER
Coded Messages
High schoolers solve matrices by multiplication. In this algebra lesson, students create coded messages and relate it to solving matrices. They multiply and find the inverse of matrices.
Curated OER
Graphing Quadratic Functions
Pupils explore quadratic functions in this algebra lesson. They investigate transformation of quadratic functions using the TI calculator. They use the vertex form for this lesson.
Curated OER
Using Tables to Solve Linear Functions
Oh that intercept! Budding algebra masters solve linear equations from standard to intercept form. They identify the slope and y-intercept to help graph the lines, an then create coordinate pairs using a table of values. Great TI tips...
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Horizontal and Vertical Lines
Students solve equations and graph-their solutions. In this algebra lesson, students, identify the type of line using the slope of the equation. They graph and observe their lines.
Curated OER
Simple Inequalities on a Number Line
High schoolers solve inequalities problems. In this algebra instructional activity, students graph the solution of inequalities on a number line. They discuss boundaries and open or closed intervals.
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Factoring Trinomials
Have the class factor and solve trinomials of integers in the form x2 + bx + c, where b and c are positive. They relate factoring to area and then follow a specific format to factor their trinomials. Tiles are used to help them relate...
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How Many Solutions 2
Learners solve systems of equations. In this algebra lesson, students graph lines and identify the point of intersection. They identify the function to see if it is a function.
Curated OER
Which Method Will You Choose? Finding Solutions to Systems of Equations.
Ninth graders investigate systems of linear equations. In this Algebra I lesson plan, 9th graders determine which method is the best for solving a systems: graphing, substitution, or elimination. Students choose a method and create a...
Curated OER
Linear Equations
Seventh graders explore battle plans using grids. In this linear equation lesson, 7th graders see how math is used in battle. Students create a grid on the floor using tape and plastic army men to serve as the points. Students discuss...
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A Beating Heart
Students collect and analyze data using percent difference. In this algebra lesson, students relate the concepts of algebra to cardiac physiology.
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Characteristics of Exponential Functions
What can an upper grader do with an exponential function? They can solve and graph it, identify its important characteristic, and differentiate graphs based on shifts in graph bases that are greater or less than one. This 45 minute...
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Exponential Functions f(x) = abx
Students define exponential functions and graph the equation. In this algebra lesson, students discuss exponential growth and decay as they graph their functions. They differentiate between the base of growth and decay.
Texas Instruments
The Determinant of a Matrix
Students calculate the determinant. For this algebra lesson, students find the determinant and use to calculate the area of a triangle. They calculate the area of a quadrilateral in a plane.
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Multiply Polynomials
Young scholars solve polynomial problems. In this algebra lesson, students multiply polynomial equations using FOIL and quadratic formula. They complete the square and factor by grouping.
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Factoring Trinomials
Students factor trinomials using specific factoring methods. In this algebra lesson, students factor equations using the difference of squares and foiling. They play a game to enhance their understanding of factoring.
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Slope, slope-Intercept Form and Standard Form
Students investigate and solve linear equations using slopes. In this algebra lesson, students graph lines using the slope and y intercept. They also find the slope by rewriting their equation in to slope-intercept form from standard form.
Curated OER
Slopes, Slope-Intercept Form, Standard Form
Students identify the slope of an equation using various methods. In this algebra lesson, students graph linear equations and calculate the slopes using the x and y intercept to solve the equations and graph the lines. They use the slope...
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Graphing Polynomials
Students graph polynomial equations using different methods. In this algebra lesson, 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.
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An Exploration of the Slope of a Line
Students define the slope of a line. For this algebra lesson, students differentiate between parallel and perpendicular lines using their slopes. They rewrite equations in slope intercept form and explain the meaning of the slope.
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A Statistical Study of Three Biomes
Students collect data from one of three selected biomes. Data are then organized and statistically analyzed. This project engages students of different backgrounds grouped cooperatively in a relevant outdoor hands-on learning experience.
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Power Function Inverses
Pupils graph polynomial functions and analyze the graphs. They identify the inverse of the functions and find the domain and range. Learners will then label the functions as one to one and use the horizontal and vertical line test to...
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Review for the Algebra One SOLs
Students review the standards for Algebra I. Using the text, they discover two problems that match each standard and solve them showing all steps on paper. They create a PowerPoint slide for each problem and go through the correct...
Pennsylvania Department of Education
Using Expressions and Equations
Sixth graders analyze expressions and equations. For this algebra lesson, 6th graders write algebraic sentences and solve for an unknown in a one-step equation. This lesson uses the formulas for the perimeter of a square and rectangle as...
Curated OER
8th Grade Math Reducing
Eighth graders determine whether given fractions can be reduced, and if so, complete the reduction. They write in their Math Journals on the prompt "What does it mean to count something?"