CK-12 Foundation
Inverse Variation Models: Speedometer for Inverse Variation Models
Model inverse variation while solving a real-world problem. Young scholars use the interactive lesson to discover the pattern of inverse variation data. They then use that discovery to write and analyze an equation.
Mathematics Assessment Project
Best Buy Tickets
Everyone wants the best price when shopping — no matter what they are trying to buy. Given pricing information, pupils must solve a system of equations to determine the best option for printing tickets.
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 1)
This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly move...
Balanced Assessment
A Loud Noise
In a scale measuring noise, an increase in 10 dB is a 10 time increase in power. Mathematicians examine the data graph of a real world exponential growth, with no logarithmic scale, and then create two equations relating the decibels and...
CK-12 Foundation
Direct Variation: Value of a Painting
Help your pupils find a pattern of direct variation. Young scholars use input-output pairs to find a constant of variation and then write the equation. As they build their equations, the interactive lesson provides feedback.
101 Questions
Chalk Lines
Read between the lines to find a solution. Budding mathematicians analyze a situation to solve a problem. They view a video presentation of the problem, brainstorm important information to gather, and write linear equations to find...
Illustrative Mathematics
Art Class, Assessment Variation
Play with paint and decide the ratio to make different shades of green. When mixing paint colors, your painters should decide which ratios make the same shade and what is needed to mix other ratios for a different shade of green. This is...
University of Texas
Complex Numbers
Are complex numbers and binomials similar? This stack of slides provides an introduction to complex numbers and shows how to operate with them. The worked examples show a connection between operating with binomials and operating with...
Illustrative Mathematics
Identifying Exponential Functions
Class members have the opportunity to quickly change the variables of an exponential graphs through the use of sliders on Desmos. Four graphs are given and young mathematicians, through the use of the graphing app, can discover which...
Curated OER
Human Coordinate Plane, Using the Distance Formula
Students write the distance formula to solve equations for finding the distance between 2 points. In this distance formula lesson plan, students also write sentences explaining why their formulas would work.
Curated OER
Solving Linear Equations
In this linear equations instructional activity, students solve six linear equations and check their work. Then they translate the next 4 problems into an equation and solve those too. Students first combine like terms when necessary and...
Curated OER
Solving Exponential Equations
In this exponential equations worksheet, 9th graders solve 10 different problems related to solving exponential equations. They convert one side of the equations to the other side to another base so that the powers can be set to equal...
Curated OER
Algebraic Equations
In this algebraic equations worksheet, 9th graders solve 10 different problems that include solving various types of algebraic equations. First, they determine the equation of a line and solve the absolute value of an inequality shown....
Curated OER
Solving Linear and Rational Equations and Using the Distributive Law
In this linear equations worksheet, students solve linear equation, use the distributive law, and solve rational equations. Fully worked examples are included.
Curated OER
Solving Quadratic Equations
In this quadratic equations learning exercise, 9th graders solve 10 different problems that include various quadratic equations. First, they factor out the equation and set it to zero. Then, students solve each factor and check their...
Curated OER
Solving Exponential Equations
In this exponential equations learning exercise, 9th graders solve 10 different problems that lack a common base and include various exponential equations. First, they write the equations with comparable exponential expressions on either...
Curated OER
Solving Multistep Equations
Learners solve linear equations using multiple steps. In this algebra lesson, students solve linear equations using division, addition, multiplication and subtraction. They isolate the variable and solve for the unknown.
Curated OER
Systems of Equations
In this systems of equations instructional activity, students solve ten sets of problems by using the substitution method. They first decide which variable they are going to solve for, x or y. Then, students replace that value with the...
Curated OER
Systems of Linear Equations Modeling!
Young scholars focus on finding solutions to situations found in everyday life. Students participate in activities to solve a system of equations, identify the system as consistent and independent, consistent and dependent or...
Curated OER
Solving Linear Systems by Graphing
In this linear systems learning exercise, 9th graders solve and complete 4 different problems by graphing. First, they graph the first equation shown. Then, students graph the second equation on the same coordinate system as the first....
Curated OER
Algebra Challenge: One Variable Equations
In this equation worksheet, learners solve one-step algebra equations. They use the distributive property to solve two-step algebra equations. This one-page worksheet contains 20 problems.
Curated OER
Systems of Equations 2
In this systems of equations worksheet, 9th graders solve and graph 9 different problems that apply the systems of equations. First, they solve each system of equations by using the graphing method. Then, students write the solution for...
Curated OER
Radical Equations
In this radical equations worksheet, 9th graders solve 10 different problems that include various radical equations. First, they isolate the variable in each equation. Then students solve by undoing the addition or subtraction, which...
Curated OER
Simplify Equations
In this simplifying equations worksheet, students solve 10 different problems that include basic simplifying of various equations. First, they evaluate any parentheses, exponents, multiplication, addition, and/or subtraction using the...
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