Lesson Plan
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EngageNY

Using the Quadratic Formula

For Students 9th - 10th Standards
What is the connection between the quadratic formula and the types of solutions of a quadratic equation? Guide young mathematicians through this discovery as they use the discriminant to determine the number and types of solutions,...
Lesson Plan
Illustrative Mathematics

Sammy's Chipmunk and Squirrel Observations

For Teachers 7th - 9th Standards
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...
Worksheet
DK Publishing

Real-Life Problems, Large Numbers

For Students 3rd - 5th Standards
Do your fourth graders have a hard time showing their work when solving word problems? This helpful instructional activity provides two separate spaces for students to show their work and to fill in the answer. The first problem is...
Worksheet
Math Mammoth

More Equations

For Students 4th - 6th
In this equation learning exercise, students match equations with diagrams and solve for y, then draw bar diagrams to illustrate given equations, and solve.
Worksheet
Curated OER

Fact Families - Part 2

For Students 1st - 2nd Standards
Complete these fact families; mathematicians use addition number sentences to write three more equations, all of which are members of the same fact family. There is an example here to guide them, and they solve for nine more number...
Worksheet
Curated OER

Problems Involving Time

For Students 3rd - 5th Standards
Put your class's time-telling skills to the test with word problems. Two examples show fourth graders how to write out the necessary equations, and how to solve for the answers. One of the problems requires two answers. 
Worksheet
Curated OER

Squares of Numbers

For Students 2nd - 4th Standards
Test your third graders with a math review instructional activity, which features problems on square numbers and area. After finding the squares of increasingly large numbers (3-40), pupils solve for the areas of six squares. A great way...
Worksheet
DK Publishing

Subtracting Big Numbers, part 2

For Students 3rd - 4th Standards
Get some subtraction practice with a multi-faceted math worksheet. After reviewing two sample subtraction problems at the top of the page, third graders solve for the differences of vertical problems, horizontal problems, and word...
Lesson Plan
West Contra Costa Unified School District

Law of Sines

For Teachers 9th - 12th Standards
Laws are meant to be broken, right? Learners derive the Law of Sines by dropping a perpendicular from one vertex to its opposite side. Using the Law of Sines, mathematicians solve for various parts of triangles.
Worksheet
Curated OER

SAT Problem Solving Practice Test 06

For Students 9th - 12th
In this SAT worksheet, high schoolers solve 10 multiple choice questions.  Students find ratios, integer relationships, prime numbers, etc.
Lesson Plan
Curated OER

The Gaia Hypothesis: An Approach to Problem Solving in the Environment

For Teachers 10th - 12th
Students are introduced to the Gaia hypothesis by examining a conceptual sketch. In groups, they analyze the way they can use Dewey's method for problem solving to solve problems within the environment. They are given a problem facing...
Lesson Plan
Curated OER

Absolute Values and Number Lines

For Teachers 9th - 10th
Students solve equations using absolute values and roots. In this algebra lesson, students solve equations and write their solution on a number line. They solve for x as it relates to distance or absolute values. They order roots on a line.
Lesson Plan
Curated OER

Properties of Multiplication

For Teachers 5th - 6th
Learners identify the properties and use them to solve word problems. They solve 13 problems. This is an unusually good worksheet!
Assessment
Mt. San Antonio Collage

Quiz 1: Types of Functions

For Students 9th - 12th Standards
Sometimes the best things are already done for you! Here is a six-problem quiz that has a variety of problems ranging from solving quadratic equations to interpreting a function. The piece-de-resistance is the worked out answer key in...
Interactive
Curated OER

Example and Steps to Solving Linear Systems Using Substitution

For Students 8th - 11th
In this linear equation learning exercise, students solve five systems of linear equations using the substitution method.  Three examples with steps to solve are provided.
Worksheet
Curated OER

Twenty-Five Factoring to Solve Quadratic Equations in Preparation for the Math Regents Exam

For Students 9th - 11th
In this factoring to solve quadratic equations activity, students solve twenty-five multiple choice and free response questions in preparation for the math regents exam.  The solutions are provided.
Interactive
Curated OER

Solving System of Equations by Addition

For Students 9th - 11th
In this Algebra I/Algebra II activity, students solve systems of linear equations by addition.  The one page interactive activity contains ten questions.  Answers and hints are provided.
Interactive
Curated OER

Solve By Quadratic Formula

For Students 9th - 12th
In this online math worksheet, students practice their ability to solve equations which utilize the quadratic formula. Students can check their answers, and there are "hints" given should they get stuck.
Lesson Plan
Curated OER

2 X 2 Linear Systems

For Teachers 7th - 9th
Pupils solve 2 X 2 systems graphically and algebraically. They investigate parallel systems. They solve application problems using 2 X 2 systems.
Worksheet
Curated OER

Solving Quadratic Equations with Complex Roots

For Students 8th - 9th
In this quadratic equations activity, students solve 10 different equations that include complex roots. First, they solve for the indicated variable and express the roots of the equation in simplest form. Then, students determine the...
Lesson Plan
Curated OER

Simplifying Expressions (Addition and Subtraction)

For Teachers 7th
Seventh graders simplify algebraic expressions using addition and subtraction to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Everyone completes various...
Worksheet
Curated OER

Solving Equations

For Students 6th - 7th
In this Algebra I worksheet, learners use the guess and check method to determine the solution to a one variable equation.  The three page worksheet contains twenty-three problems.  Answers are not provided. 
Lesson Plan
Missouri Department of Elementary

Color Your Community

For Teachers 8th
Eighth graders work together to come up with a topic for a service learning project that engages all members of the school community. Groups then develop a dialogue and visit other classrooms to encourage other students to participate....
Worksheet
Lone Star College

Geometry Worksheet II

For Students 7th - 10th Standards
Young geometers get practice with the algebra of angles in an extensive skills practice worksheet. Supplementary, complementary, and vertical angle relationships are used, along with parallel lines cut by a transversal and angle sum...