Curated OER
Numerical Analysis: Systems of Linear Equations
In this linear equation learning exercise, students use the iterative method to solve systems of equations. Explanations and examples are provided. This four-page learning exercise contains approximately three problems.
Curated OER
Solving Nonlinear Systems of Equations
In this system of equations worksheet, students solve nonlinear systems of equations using the substitution method. An example of how to solve is given prior to the assignment. Twenty problems are available on this two-page worksheet.
Curated OER
Math Sheet #5
In this math learning exercise, students solve systems of equations using the elimination or substitution method. There are five problems on this one-page learning exercise.
Curated OER
Algebraic Equations
In this algebraic equations learning exercise, students solve and check ten algebraic equations. In the first 3 problems, they find the solution of the equation by using the substitution method. And in the last 7, students solve for each...
Curated OER
Solving Quadratic Equations
In this quadratic equations instructional activity, 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...
Curated OER
Factoring Trinomials
In this factoring worksheet, students factor given trinomials. They examine the expression and use the substitution method to factor the problem. This one-page worksheet contains ten problems.
Alabama Learning Exchange
Systems on a Mission
Solve systems of equation problems using four different methods: elimination by addition or subtraction, graphing, elimination by multiplication, and substitution. Middle schoolers are then given a series of "missions" to complete.
EngageNY
True and False Number Sentences II
Substitution is still the method of choice to verify number sentences. The detailed activity has young mathematicians determining conditions for when number sentences are true or false through substitution. They learn to express these...
Curated OER
Genes, DNA, and Mutations
With paper DNA patterns, budding biologists model translation and base-pair substitution within sequences. Through these activities, they examine how mutations can result in genetic disorders. The modeling that occurs is an enlightening...
Curated OER
Math Sheet #5 Systems Of Equations
Solve systems of equations using the substitution or elimination method. Kids can practice by solving each of the five problems on this one-page instructional activity.
Illustrative Mathematics
Sammy's Chipmunk and Squirrel Observations
Here is a fun project. Sammy observes a chipmunk and a squirrel to see how many holes each needs in order to stash the same number of acorns. Scholars could find the answer algebraically or create a table to analyze the problem in...
EngageNY
Linear Equations in x
What does it mean to solve an equation? The resource revisits the concept of making a linear equation true. Classmates use algebraic methods to transform sides of equations to expressions with fewer terms. They use substitution to...
Illustrative Mathematics
Log Ride
The rides at a theme park always have limits on weight or number of riders. This makes a natural example of the use of inequalities to solve real-world problems. Learners explore intuitive solutions using substitution to solve the...
Curated OER
Non Calculator Simultaneous Equations
Eighth and ninth graders combine pairs of linear equations by multiplying and either adding or subtracting. They find the value of x in the pair of equations. They use substitution to find the value of y. Students use graphing to solve...
Curated OER
Theoretical Yield and Percent Yield in Chemical Reaction
In this stoichiometry worksheet, students solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.
Curated OER
Solving Systems by the Elimination Method
Pupils solve equations by elimination and use the TI to graph the lines and find the point of intersection.
Curated OER
Graphing Linear Equations Using the Table Method
Students graph linear equations using a table. In this algebra lesson, students create a table of values using the linear equation to find the y-values. They plot their point on a coordinate plane and graph the line.
Inside Mathematics
Number Towers
Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...
EngageNY
Modeling Riverbeds with Polynomials (part 1)
Many things in life take the shape of a polynomial curve. Learners design a polynomial function to model a riverbed. Using different strategies, they find the flow rate through the river.
Curated OER
Graphing Solutions
In this graphing solutions worksheet, 9th graders solve 13 various types of problems. First, they find the solution of each systems by graphing on the coordinate plane provided. Then, students solve each systems of equations...
Curated OER
Insect Monitoring
Students participate in an interactive instructional activity using the scientific method to study biodiversity. In this insect monitoring instructional activity, students simulate the layers of soil and the insects that would live...
Curated OER
Systems of Equations
In this algebra activity, students solve systems of equation through graphing, linear combination and substitution. There are 3 questions.
Curated OER
Insect Monitoring
Students practice the scientific method in the classroom, either in preparation or as a substitution for real-world field experience. They examine a simulated biodiversity research situation, using a "mini-plot" or
sampling square...
Curated OER
Final Exam Review: College Algebra
In this final exam review worksheet,s students solve systems of equations, polynomials and factor quadratic equations. They identify the slope of a line and write linear equations. Students use Cramer's rule, graphing, substitution,...