Curated OER
The Yo-Yo Problem: Solving Linear Equations
Students write the algebraic equation to determine the number of weeks money must be saved to purchase a yo-yo. In this algebra lesson, students create a pattern of one penny surrounded by six pennies. They continue the pattern and...
West Contra Costa Unified School District
Linear-Quadratic Systems
Why do I have to learn two different ways to solve linear-quadratic systems? Isn't one way enough? Learners first investigate the three possible situations for linear-quadratic systems (two, one, or zero solutions), then solve such...
Alabama Learning Exchange
Solving Formulas for the Given Variable
Recycle, reuse, and rearrange! Young scholars learn to rearrange formulas to highlight a variable of interest. They then use their new formulas to make calculations.
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 plan 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 by a...
Curated OER
Solving Rational Equations
In this algebra worksheet, students solve rational equations. They add and subtract rational equations and check for extraneous roots. There are 16 questions with an answer key.
Curated OER
Solving Rational Equations 1
In this Algebra I worksheet, students solve rational equations that may have extraneous solutions. The worksheet is two pages and contains twenty problems. Answer key is provided.
Curated OER
Solving equations with the balance method
Ninth graders solve and balance equations. In this algebra lesson, 9th graders solve equations using the balance method. They divide, add, multiply, and subtract to solve for the unknown. They apply the concept of "what you do to one...
Curated OER
Practice Solving Equations
Students practice solving equations. In this algebra lesson, students solve a variety of linear equations using addition, subtraction, multiplication, inverse and division. They solve equations with more than one step and equations with...
Curated OER
Solving One-Step Inequalities by Adding/Subtracting
In this solving inequalities worksheet, students add and subtract to isolate the variable for 26 inequalities. Each solution is then graphed on a number line.
EngageNY
Equations Involving a Variable Expression in the Denominator
0/0 doesn't equal 0! Begin this lesson by allowing the class to explore the concept of dividing by zero. The introduction allows for discovery and provides meaningful examples of dividing by zero. This understanding leads to solving...
Concord Consortium
In a Triangle
What's in a triangle? Just 180 degrees worth of angles! Young learners use given angle relationships in a triangle to write an algebraic representation. Using a system of equations, they simplify the equation to a linear representation.
Curated OER
Regents Exam: Solving Rationals 1
In this rational number worksheet, students add and subtract fractions containing variables. They find common denominators and solve for the unknown. This four-page worksheet contains eighteen problems. Answers are listed on the last...
Curated OER
Algebra Worksheet #5 - Find the Value of X
Here is a linear equations worksheet which invites learners to subtract a whole number value from both sides of the equal sign to find the value of X for fourteen problems.
Curated OER
Algebra Worksheet #3
Learners subtract or add a whole number to both sides of the equal sign for fourteen problems. They divide by either two or three to find the value of x. Since this worksheet is online, you can create a new problem set each time you use it!
Buffalo State
Adding and Subtracting Integers Unit
Just because one integer is larger than another doesn't mean it will make sense right away. Go beyond note taking and show learners, through the use of algebra tiles and a Four-Pan Algebra Balance, how the numbers relate to one another...
EngageNY
Solutions of a Linear Equation
Use the distributive property to solve equations. The sixth lesson in a 33-part series has scholars solve equations that need to be transformed into simpler equations first. Class members apply the distributive property to the equations...
Curated OER
Dynamic Algebra
Explore 5 classical problems of algebra. They will solve problems involving Heron's formula, fractional equations, vector equations, apollonius' sphere, and transversals. The idea is to lead to new perceptions and visual thinking.
Curated OER
Solving Algebra
In this algebra worksheet, students define greatest common factors, least common factors and solve word problems dealing with GCF and LCM. There are 10 questions with an answer key.
EngageNY
Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
Curated OER
Deciphering Word Problems in Order to Write Equations
Help young mathematicians crack the code of word problems with this three-lesson series on problem solving. Walking students step-by-step through the process of identifying key information, creating algebraic equations, and finally...
EngageNY
Bacteria and Exponential Growth
It's scary how fast bacteria can grow — exponentially. Class members solve exponential equations, including those modeling bacteria and population growth. Lesson emphasizes numerical approaches rather than graphical or algebraic.
EngageNY
Relationships Between Quantities and Reasoning with Equations and Their Graphs
Graphing all kinds of situations in one and two variables is the focus of this detailed unit of daily lessons, teaching notes, and assessments. Learners start with piece-wise functions and work their way through setting up and solving...
EngageNY
A Focus on Square Roots
Pupils learn to solve square root equations and rationalize denominators. Problems include those with extraneous solutions.
EngageNY
Word Problems Leading to Rational Equations
Show learners how to apply rational equations to the real world. Learners solve problems such as those involving averages and dilution. They write equations to model the situation and then solve them to answer the question — great...