Interactive
Curated OER

Word Problems

For Students 9th - 11th
In this algebra worksheet, students are guided to choose the best method to solve problems using graphing, factoring, completing the square, and quadratic formula. There are 4 problems with an answer key.
Worksheet
Curated OER

Old FaithFul Problem

For Students 9th
In this algebra worksheet, 9th graders calculate the time that lapses between eruption of old Faithful. They try to time when all three geysers will erupt if one erupts every 94 minutes and lasts from 1.5 - 5 minutes. There is an answer...
Lesson Plan
Curated OER

Model Data with Quadratic Functions

For Teachers 8th - 11th
Students model data using quadratic equations. In this algebra instructional activity, students simplify and factor quadratic equations. They graph the function using collected data and analyze the parabola.
Worksheet
Curated OER

Theorems About Roots and Polynomial Equations

For Students 8th - 11th
In this algebra worksheet, students solve polynomial equations using factoring. They identify the roots of the equations. There are 3 questions with an answer key.
Interactive
Curated OER

Greatest Common Factors

For Students 8th - 10th
In this algebra worksheet, students solve problems using the GCF. They factor out the common variables and simplify the equations. There are 8 questions with an answer key.
Lesson Plan
Curated OER

Limits

For Teachers 10th - 12th
Students practice the concept of limits graphically, numerically and algebraically. They participate in an exploration lab, BINGO game and complete a puzzle.
Lesson Plan
Curated OER

Quadratics Equations

For Teachers 9th - 11th
In this algebra worksheet, young scholars define the equations and discuss how many and what kinds of roots there will be. There are 6 questions dealing with roots, complex numbers and quadratics.
Lesson Plan
Curated OER

Common Factors and Common Multiples and Simple Exponents

For Teachers 3rd - 5th
Students explore factors and multiples. In this factors and multiples lesson plan, students learn the vocabulary words factor, common factor, multiple and common multiple. Students view examples of each and then complete activity sheets.
Lesson Plan
West Contra Costa Unified School District

Divisibility Rules Justified

For Teachers 6th - 8th
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in...
Worksheet
Curated OER

Integrating Functions

For Students 6th - 8th
For this math worksheet, students find the answers to the functions that includes integration and trigonometry. They use the examples for help with the special functions.
Lesson Plan
Curated OER

The football and Braking Distance; Model Data with Quadratic Functions

For Teachers 8th - 10th
Students use the quadratic formula to solve application problems. The first problem relates to the path of a football thrown from the top of the bleachers. Students compute the time it will take the football to reach certain heights. In...
Assessment
Inside Mathematics

Sorting Functions

For Teachers 9th - 12th Standards
Graph A goes with equation C, but table B. The short assessment task requires class members to match graphs with their corresponding tables, equations, and verbalized rules. Pupils then provide explanations on the process they used to...
Lesson Plan
Curated OER

Word Problems Dealing with Ratio and Proportion

For Teachers 6th - 8th
Mindful middle-schoolers read and solve a number of word problems. Learners copy and discuss what they believe their strategies are in solving each problem. They also write their findings and share with the rest of the class.
Lesson Plan
Curated OER

Factors and Multiples

For Teachers 6th
Sixth graders need to see the relevance in the mathematics they learn. This lesson plan builds on the concepts of least common multiple and greatest common factor. The lesson plan presents real-world problem situations for students to...
Lesson Plan
Curated OER

Pascal's Triangle

For Teachers 6th - 8th
Learners study Pascal's triangle. They construct their own version of Pascal's triangle, and relate some of the uses for it. While working through this process, students practice their integer multiplication and division skills.
Worksheet
Curated OER

Numerical Analysis: Using the QR Algorithm

For Students Higher Ed
In this QR algorithm worksheet, students use the QR algorithm to solve an over-determined system of equations. This two-page worksheet contains 11 problems.
Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 2nd - 5th
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
Lesson Plan
Curated OER

Patterns in Pascal's Triangle

For Teachers 7th - 9th
Learners examine the patterns that exist in Pascal's Triangle. They explore multiples and factors. Sudents use an applet to create and color the multiples in Pascal's Triangle.
Worksheet
Curated OER

Linear Systems: Symmetric Matrices

For Students 12th - Higher Ed
In this symmetric matrices worksheet, learners explore the characteristics of symmetric matrices. This two-page worksheet contains examples and explanations concerning symmetric matrices. Two problems are provided to solve.
Lesson Plan
Curated OER

How Simple Is Your Rational Expression?

For Teachers 8th - 10th
Investigate simplifying rational expressions. Learners define rational expressions, review how numerators and denominators are polynomials and complete several problems using a checklist to ensure they don't skip any steps. Work can be...
Worksheet
Curated OER

The Gambling Problem

For Students 8th - 10th
In this gambling activity, students determine the amount two people made while gambling in Atlantic City.  They identify and compute a factorial and a number squared.  This one-page problem contains 1 problem.  This...
Lesson Plan
Curated OER

Mixed Expressions and Complex Fractions

For Teachers 10th - 12th
Students are introduced to mixed expressions and complex fractions. They work through several problems with the instructor and then complete a worksheet.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization Using Difference of Squares

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor the difference of two squares and perfect square trinomials and solve quadratic polynomial equations by factoring.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to factor quadratic expressions.