+
Unit Plan
1
1
Practical Money Skills

Living on Your Own

For Teachers 9th - 12th
Every teen dreams of living independently, but often without thinking about the details and costs involved with moving out. Three lessons in a unit about living on your own focus on moving costs, fixed and flexible costs associated with...
+
Worksheet
Curated OER

Equations with one Variable II

For Students 9th - 12th
In this single variable equations worksheet, students solve 5 problems using different equations to solve for one unknown. They use Hubble's Law to find the velocity of a galaxy knowing the distance it travels.
+
Lesson Plan
Curated OER

Chairs Around the Table

For Teachers 3rd - 5th
Youngsters become flexible problem solvers with this challenging lesson. If there are 24 square tables in a restaurant, how many customers can be seated at one time? They can use manipulatives or draw pictures to help them find the...
+
Lesson Plan
Illustrative Mathematics

Finding an Unknown Angle

For Teachers 4th - 6th Standards
Teach your class how to apply their knowledge of geometry as they explore the unknown. In order to find an unknown angle, students must understand that rectangles have four interior right angles, that right angles have 90 degrees, and...
+
Lesson Plan
Curated OER

Regents Exam: Solving Rationals 1

For Teachers 9th - 12th
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...
+
Lesson Plan
Curated OER

Developing the Concept: Percents

For Teachers 5th - 7th
In this percents instructional activity, learners review how to solve a multiplication equation where they must solve for a variable. They solve equations with missing numbers and percents.
+
Assessment
1
1
Inside Mathematics

Coffee

For Teachers 9th - 12th Standards
There are many ways to correlate coffee to life, but in this case a worksheet looks at the price of two different sizes of coffee. It requires interpreting a graph with two unknown variables, in this case the price, and solving for those...
+
Worksheet
Curated OER

Simple Algebra Word Problems

For Students 6th - 8th
In this math worksheet, students find the correct algebraic expression for each of the six word problems. Then they solve for the unknown variables.
+
Lesson Plan
Curated OER

Representing the Unknown

For Teachers 6th - 8th
Student use mental math to solve linear equations. In this algebra lesson, students solve one and two steps equations. They write expressions using variables to identify the unknown.
+
Lesson Plan
Curated OER

Variables on Both Sides

For Teachers 9th - 10th
Students solve equations with variables on both sides of the equations. For this algebra lesson, students use addition, subtraction, multiplication and division to solve problems. They combine like terms and identify the unknown.
+
Lesson Plan
Curated OER

Tombs of the Unknowns Scavenger Hunt

For Teachers 4th - 6th
In this heroes worksheet, students use the Internet and a specific website to find the answers to five questions associated with tombs of the unknown.
+
Worksheet
Curated OER

Test #2 Equations Review

For Students 7th - 9th
In this equations review worksheet, students solve algebraic equations with one variable.  They use inverse operations to solve for the unknown.  Students translate word sentences to number sentences and then solve.  This two-page...
+
Worksheet
Curated OER

Completing the Square

For Students 8th - 10th
In this completing the square worksheet, students solve problems by completing the square. They determine the value of the unknown in the binomial. This two-page worksheet contains 30 problems. Answers are provided on the last page.
+
Worksheet
Curated OER

Equations with one Variable

For Students 8th - 10th
In this algebra worksheet, students solve word problems by rewriting it as an equations and solving for the unknown. There are 4 questions with an answer key.
+
Activity
Noyce Foundation

The Wheel Shop

For Students K - 12th Standards
Teach solving for unknowns through a problem-solving approach. The grouping of five lessons progresses from finding an unknown through simple reasoning to solving simultaneous equations involving three and four variables. Each lesson...
+
Worksheet
Math Mammoth

Multiplication Problems

For Students 3rd - 5th
In this multiplication problems learning exercise, students problem solve a variety of multiplication exercises to work on their skills of multiplying mentally, finding missing factors and finding unknown numbers.
+
Lesson Plan
EngageNY

Creating and Solving Quadratic Equations in One Variable

For Students 9th - 10th Standards
Give your classes practice at modeling using quadratic models with a resource that uses area and integer problems to allow individuals to create second degree polynomials. Young mathematicians solve equations using factoring and then...
+
Lesson Plan
Curated OER

Bats and Hot Dogs

For Teachers 7th - 10th
Young scholars identify patterns and relationships from data that is collected and solve variables.  In this investigative lesson students study ocean productivity, the nitrogen cycle and phytoplankton then answer questions.
+
Worksheet
Curated OER

Tests for Parallelograms Homework

For Students 9th - 12th
In this test for parallelograms learning exercise, learners solve 15 short answer problems. Students determine if a given sketch is a parallelogram given angle measures and/or side lengths. Learners use knowledge of parallelograms to...
+
Lesson Plan
Curated OER

Solving Problems - Writing Equations

For Teachers 8th - 10th
In this solving problems worksheet, students read short word statements, translate them into an algebraic equation, and solve the problem. Twelve problems are listed on this one-page worksheet.
+
Worksheet
Curated OER

Algebraic Equation

For Students 6th - 8th
In this algebraic equation worksheet, students solve simple, one-step algebraic equations.  This one-page worksheet contains 9 problems.  Answers are provided at the bottom of the page.
+
Worksheet
Math Mammoth

More Radical Equations

For Students 6th - 8th
In this math learning exercise, students solve the equations that contain radicals in the expressions. They use the roots to eliminate the radicals and find the unknown variables.
+
Worksheet
Curated OER

Divisibility Theorem (Sum)

For Students 9th - 12th
In this divisibility worksheet, high schoolers solve 1 word problem. Students find three unknown variables given information about their divisibility and sum.
+
Lesson Plan
Curated OER

Solving Linear Equations

For Teachers 9th
Ninth graders solve linear equations. In this algebra lesson plan, 9th graders discuss the steps for solving linear equations and work through examples with the teacher. They work in pairs to create their own linear equation and complete...