Unit Plan
Khan Academy

Khan Academy: Equations & Inequalities Word Problems

For Students 9th - 10th Standards
HSA-CED.A.1: Interactive resource which create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions....
Handout
Purple Math

Purplemath: Geometry Word Problems: Introduction

For Students 9th - 10th Standards
Introduces how to set up and solve simple geometric-figure word problems. Includes advice regarding formulas to memorize.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: Formulas and Problem Solving

For Students 9th - 10th Standards
Using this tutorial, you'll learn how to solve a formula for a variable and how to solve word problems involving formulas.
Handout
Purple Math

Purplemath: "Distance" Word Problems

For Students 9th - 10th
Demonstrates how to set up and solve 'distance' problems using 'distance equals rate times time'.
Activity
BBC

Bbc: Skillswise: Formulas

For Students 9th - 10th Standards
This Skillswise site focuses on using formulas as understood in math. Included are a video about how using formulas is important, fact sheets and worksheets practicing with formulas, and quizzes on the information presented. The...
Lesson Plan
Georgetown University

Georgetown: Lesson Plan: Trivial Pursuits and Algebra

For Teachers 9th - 10th Standards
Students will love this lesson! Students will do a number of hands on activities in groups. Students will first solve the problem and then write a formula of how the answer may be found.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Quadratic Equations by Finding Square Roots

For Students 9th - 10th Standards
Twenty problems present a variety of problems working with various aspects of solving quadratic equations by finding the square roots. They are given with each step to the solution cleverly revealed one at a time. You can work each step...
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Khan Academy

Khan Academy: Algebra Ii: Manipulate Formulas

For Students 9th - 10th Standards
Manipulate multi-variable formulas to isolate specific variables in order to solve some word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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Khan Academy

Khan Academy: Manipulate Formulas

For Students 9th - 10th Standards
Solve multi-variable formulas for a specific variable in order to solve some word problems.
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Khan Academy

Khan Academy: Interpreting Linear Formulas Word Problems

For Students 6th - 8th
In this exercise, students practice identifying slope of a line. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Algebra I: Sequences Word Problems

For Students 9th - 10th Standards
Given a verbal description of a real-world relationship, determine the sequence that models that relationship. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Comparing Cups and Quarts by Formula

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to compare cups and quarts.
Unit Plan
Education Development Center

Tune in to Learning: Get Going With Rate

For Students 9th - 10th Standards
Explore the concepts of rate, distance, and speed in this interactive lesson. Discover how to use formulas to solve word problems and calculate salaries. A concise lesson with excellent examples, connections to real world experiences,...
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Quadratic Formula and Complex Sums

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving quadratic equations when the answers are complex numbers. Students examine guided notes, review guided practice and attempt practice...
Website
Other

Probability Formula: Permutations Examples

For Students 9th - 10th Standards
Two examples of solving permutation problems followed by five word problems and their solutions.
Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Unit Plan
Department of Defense

Do Dea: Algebra 1: Semester 1: Equations

For Students 9th - 10th
A learning module through which students learn about equations including the following: Translating words into equations and equations into words, The Properties of Equality to help solving equations, Techniques for solving simple...
Activity
Purple Math

Purplemath: Algebra Resources

For Students 9th - 10th
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
Activity
Interactive Mathematics

Interactive Mathematics: Basic Algebra

For Students 9th - 10th
Interactive lessons are provided for many topics in algebra, including: laws of algebra, powers, roots and radicals, algebraic expressions, equations, and more. Use the links to navigate the tutorial and learn more focused concepts. The...
Handout
Math Medics

S.o.s. Math: Problems on Improper Integrals

For Students 9th - 10th
This math lesson gives information on Improper Integrals. Includes formulas and examples.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Quadratic Equations by Finding Square Roots

For Students 9th - 10th Standards
Thirteen problems present a variety of practice solving quadratic equations by finding square roots. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the...
Activity
Oswego City School District

Regents Exam Prep Center: Truth Value of Open Sentences

For Students 3rd - 8th Standards
What happens when there is not enough information to solve a problem? Find out at this test prep site, how missing information or "open sentences" can change the value or truth of a math equation. Practice understanding and applying this...
Website
Wolfram Research

Wolfram Math World: World's Most Extensive Mathematics Resource

For Students 9th - 10th Standards
MathWorld provides a huge mathematics encyclopedia detailing the concepts of geometry, algebra, calculus, discrete math, number theory, and other math topics--complete with formulas, diagrams, examples, and references for thorough...
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Quadratic Formula and Complex Sums

For Students 11th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify complex roots of quadratic functions with the quadratic formula, and adding and subtracting complex numbers. Students examine guided...