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Curated OER

Direct, Inverse and Joint Variation

For Teachers 11th
Eleventh graders identify, create and solve word problems involving inverse variation. In this algebra activity, 11th graders solve problems using direct, inverse and joint variation. They identify problems using these methods.
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Oodles of Poodles

For Teachers 10th - 11th
Learners solve equations by graphing. In this algebra lesson, students differentiate between functions and relations. They use the TI to graph their equation and analyze the graph.
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2D Grpahing Functions

For Teachers 9th
In this algebra worksheet, 9th graders graph linear equations using a line. They find values for x and y and plot them on a coordinate plane to make a line. There are 6 questions.
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A Prime Investigation wtih 7, 11, and 13

For Teachers 9th
Ninth graders investigate divisibility rules.  For this middle school mathematics/Algebra I lesson, 9th graders explore the divisibility rules of 7, 11, and 13.  Students examine certain six-digit numbers that are divisible by...
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Kitchen Paraboloids

For Teachers 9th - 12th
Young scholars solve quadratic equations and identify functions. In this algebra lesson, students graph parabolas and identify properties describing the shape of the parabola. They find the vertex and rewrite the equation in standard form.
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Complex Fractions

For Teachers 9th - 11th
In this algebra worksheet, students divide complex fractions using properties of division and reciprocals. They are to get rid of all negative exponents. There are 48 problems.
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Linear and Quadratic Functions

For Teachers 11th
In this algebra worksheet, 11th graders solve quadratic functions using the quadratic formula. They take the square roots of both side of each equation then graph both the linear and quadratic functions. There are a total of 84 problems...
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Building Scales and Ratios

For Teachers 9th - 11th
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...
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Rational Inequalities

For Teachers 9th - 11th
In this algebra worksheet, students solve rational equations and inequalities. They model word problems using equations and find the minimum amount as it relates to an inequality set up. There is an answer key for this problem.
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A Wet Welcome Home

For Teachers 6th - 7th
Young scholars investigate data collection and analysis.  In this Algebra I lesson, students create a scatter plot and find the equation of best fit in a simulation of a leaking water pipe.
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Integration: Statistics

For Teachers 9th - 10th
In this math worksheet, students find the mean, median and mode for 6 number sets. Students then find the median and mode for data found in 2 stem-and-leaf plots.
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Rate of Change

For Teachers 11th
Eleventh graders solve problems dealing with rate of change. In this algebra lesson, 11th graders graph their rate of change problems and analyze it comparing their data with each other. They solve problems dealing with percent and rate...
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Graphing Equations

For Teachers 9th - 11th
In this algebra worksheet, young scholars solve linear equations through evaluations and graphing. There are 76 questions ranging from addition to division of linear equations.
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Parabolas

For Teachers 10th - 11th
In this algebra worksheet, students solve parabolas using the standard and vertex forms. They find the vertex and asymptote and graph the parabola. There are 64 problems.
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Automobile-Accident Reconstruction

For Teachers 10th - 12th
Students investigate an accident and relate it to math. In this trigonometry lesson, students measure the accident scene, the friction produced, and the speed from the skid marks. They create a poster of their findings.
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Integration: Geometry - The Pythagorean Theorem

For Teachers 8th - 9th
In this math worksheet, students are given that c is the hypotenuse of a right triangle. Students must find 12 sets of missing measures. Students also use the Pythagorean Theorem to determine whether a given set of measures would form a...
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Applications of Exponential Functions

For Teachers 9th - 11th
In this algebra worksheet, students solve word problems involving money. They calculate the interest earned over a period of time given the formula. There are 28 questions.
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Lines in the Plane

For Teachers 9th - 11th
Learners differentiate between parallel and perpendicular lines. In this algebra lesson, students graph linear equations using the slope intercept form. They classify lines based on their slopes.
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Nonlinear Inequalities

For Teachers 11th
In this Algebra II worksheet, 11th graders solve nonlinear inequalities, graph the solution set on the number line, and write the solution in interval notation.  The one page worksheet contains thirty-eight problems.  Answers...
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Intro to Mayan Numbers

For Teachers 9th - 11th
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.
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The Mayan Calendar

For Teachers 9th - 11th
Young scholars analyze the Mayan calendar and define its meaning. In this algebra lesson, students explain what the Mayan calendar means and how it works. They define the symbols and recreate a simplified version of the Mayan calendar.
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Exponential and Logarithmic Equations

For Teachers 11th
In this algebra worksheet, 11th graders solve exponential and logarithmic functions using properties of exponents and logs. There are 56 questions with an answer key.
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Algebra/Geometry Institute: Area, Circumference, Perimeter

For Teachers 7th - 9th
Students solve area problems.  In this area, circumference, and perimeter lesson plan, students solve area and perimeter problems using standard and metric units of measure.  They identify the best customary unit of measure for...
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Substitute into Simple Expressions

For Teachers 6th - 8th
Learners simplify simple equations. Using a maze game, young mathematicians speculate about the size of different algebraic values and what other equivalent expressions might look like. It is a nice beginning activity for introducing...