Lesson Plan
Curated OER

Completing the Square Algebraically

For Teachers 9th - 12th Standards
Using TI-Nspire, scholars rewrite quadratic expressions by completing the square. They change the equation into vertex form.  By the end of this lesson, they should be able to change any quadratic equation into vertex form. 
Worksheet
Curated OER

Radicals and Exponents

For Students 9th - 12th
For this radicals and exponents worksheet, high schoolers solve 25 short answer problems. Students simplify radical and exponential expressions. High schoolers factor quadratics and use the quadratic equation to solve quadratic equations.
Worksheet
Curated OER

Simplify Rational Expressions

For Students 9th - 12th
For this simplifying rational expressions worksheet, students solve 18 rational expression problems.  Students find common denominators and factor quadratics to simplify rational expressions.
Worksheet
Curated OER

Quadratic Functions

For Students 10th - 11th
In this algebra worksheet, students factor quadratic equations and graph their resulting parabola. They relate quadratics to real life scenario. There are 20 questions with an answer key.
Worksheet
Curated OER

Simplifying Rational Expressions

For Students 9th
In this rational expressions worksheet, 9th graders identify and solve 20 different problems that include simplifying various types of rational expressions. First, they define and describe a rational expression and how to find its...
Worksheet
Curated OER

Divisibility and Factors

For Students 7th - 8th
For this divisibility and factors worksheet, students use the rules of divisibility to identify factors of a number. This two-page worksheet contains 26 problems. Answers are provided on the last page.
Worksheet
Curated OER

Factors with Sound Effects

For Students 4th - 6th
In this multiplication worksheet, students will determine and then identify the factors of a given number and mark them in a column of the grid. Each factor has a sound effect that the students will then repeat.
Lesson Plan
Curated OER

Factors, Arrays, and Commutativity

For Teachers 6th - 9th
Students use desk arrangements to help them learn about factors, arrays, and commutativity. In this multiplication lesson, students read a multiplication problem about student desk arrangements. Students then brainstorm a solution to the...
Worksheet
Curated OER

Prime Factorize

For Students 5th - 6th
In this prime factorization worksheet, students prime factorize the nine given numbers on a line. Each number goes to the hundreds place.
Worksheet
Curated OER

GCF by a factor tree

For Students 5th - 9th
In this greatest common factor worksheet, students find the greatest common factor of 2 two digit numbers in each problem using factor trees. Students complete 4 problems.
Worksheet
Curated OER

Linear Systems/ LU Decomposition

For Students 11th - Higher Ed
In this math worksheet, learners find the values by factoring a matrix A into the product of a lower triangular matrix L. They also make it into an upper matrix U.
Lesson Plan
Ohio Department of Education

The Solution is Complex

For Teachers 9th - 12th Standards
Consider complex numbers, roots, and quadratic equations. Use the discriminate as a way to determine the nature of a quadratic's roots. Then discuss the similarities and differences between quadratics with two, one, or no real roots....
Activity
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Illustrative Mathematics

Computations with Complex Numbers

For Teachers 9th - 12th Standards
This quick set of problems provides a brief refresher on the arithmetic of complex numbers. Learners need to multiply, add and subtract, and remember features of i when raised to a power. Included solutions are clear enough that...
Lesson Plan
Curated OER

Quadratic Equations

For Teachers 9th - 12th Standards
Using the provided worksheets, high schoolers solve equations involving factoring and finding square roots. At the conclusion of the lesson plan, they discuss the answers and any difficulty experienced in solving the equations.
Worksheet
Curated OER

Topic 9.4 - Adding and Subtracting Rational Expressions

For Students 8th - 10th
This worksheet contains a good selection of problems of adding and subtracting rational expressions. There are eight problems. None of the problems have common denominators.  A few are mixed expressions and some require factoring....
Worksheet
Curated OER

Simplifying Rational Expressions

For Students 10th - 11th
In this algebra worksheet, students simplify rational expressions using common denominators. There are 50 questions requiring factoring and grouping, with an answer key.
Lesson Plan
Odell Education

Rational Expressions

For Students 9th - 12th Standards
Demonstrate the progression of operations with rational expressions through a multi-day lesson, equipped with worksheets for each day. High schoolers develop the concepts needed to perform operations with rational expressions. They learn...
Lesson Plan
Curated OER

Rational Expressions: Simplifying

For Teachers 8th - 10th
This two-day lesson will help the class simplifying rational expressions. It also has an emphasis on understanding when a rational expression is undefined. The lesson contains powerpoint presentations, worksheets, and answer key.
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...
Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th - 7th
Prime and composite numbers are the focus of this mathematics lesson plan. In it, learners practice techniques for identifying these two types of numbers. They utilize the Inspiration program to complete a task that is clearly explained,...
Lesson Plan
Curated OER

Beans, Beaks and Bears

For Teachers 10th - 12th
Students explore evolution. After watching a video on evolution, students perform a variety of experiments using beans which illustrate the concept of evolution.
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
1
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Curated OER

Seeing Dots

For Teachers 9th - 12th Standards
Your algebra learners interpret algebraic expressions, in order to compare their structures, using a geometric context. They also discern how the two expressions are equivalent and represent a pattern geometrically and algebraically.
Lesson Plan
West Contra Costa Unified School District

Investigating the Discriminant

For Teachers 9th - 12th Standards
When is finding the discriminant enough? Using the quadratic formula helps find solutions to quadratic equations, but there are times when just using the discriminant is appropriate. Use this algebra II lesson to help classes see...

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