Lesson Plan
Curated OER

10-4 Practice: Factoring Differences of Squares

For Teachers 8th - 10th
In this practice worksheet, students factor the differences of squares and identify prime expressions. Polynomials contain one or more variables, with exponents. Students complete 42 problems. An answer key is provided.
Lesson Plan
Curated OER

Greatest Common Factor: Using the Factor Tree

For Teachers 9th - 10th
Students find the greatest common factor of two numbers. For this algebra lesson, students use prime factorization to find their factor to simplify equations. they create a factor tree to find the factors of composite numbers.
Worksheet
Curated OER

The Sequences Problem

For Students 9th - 11th
In this Algebra I/Geometry/Algebra II worksheet, students determine what term is missing in the two given sequences.  The one page worksheet has two problems with the solutions. 
Lesson Plan
Curated OER

Displaying Postcards

For Teachers 9th - 12th
Students solve a problem in a systematic and mathematical way. The use of an equation is applied to a word problem situation. It is necessary that students be familiar with different types of equations.
Lesson Plan
Curated OER

Square Roots

For Teachers 7th - 8th
Students differentiate between perfect roots and rational roots. In this algebra lesson, students perform operation using roots. They add, subtract, multiply and divide rational expressions.
Lesson Plan
Curated OER

Euclidean Algorithm

For Teachers 9th - 12th
Young scholars are introduced to the concept of a Greatest Common Divisor. They review the number systems. Students are told how the entire field of Number Theory primarily uses the integers. They are told the Fundamental Theorem of...
Lesson Plan
Curated OER

An Introduction to Public Key Cryptography

For Teachers 8th - 10th
Students secure information online using cryptography. For this algebra lesson, students use RSA technology to encrypt information on the internet. They use modular reduction of natural numbers to understand prime number theory.
Worksheet
Curated OER

Not Sold At 7-11

For Students 9th - 10th
In this algebra worksheet, students rewrite a word problem using algebraic expressions. They have to figure out how many whole numbers can't equal the total when buying milk and bread.
Worksheet
Curated OER

Matching the Number

For Students 11th
In this algebra learning exercise, 11th graders answer a variety of questions dealing with math and science. They match the letters in the questions to the number of the questions. There are 14 questions with an answer key.
Worksheet
Curated OER

Evaluating Simple Probabilities

For Students 9th - 11th
For this Statistics and Probability worksheet, students solve problems involving simple probability.  The one page worksheet contains five multiple choice questions.  Answers are provided.
Lesson Plan
Curated OER

Pascal's Triangle

For Teachers 6th - 8th
Students 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.
Lesson Plan
Curated OER

Patterns in Pascal's Triangle

For Teachers 7th - 9th
Pupils 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.
Lesson Plan
Curated OER

The Quadratic Formula

For Teachers 7th - 10th
Students solve quadratic function by completing the square. In this algebra lesson, students use the quadratic formula to factor quadratics and find the roots. They graph the parabola and identify its properties.
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.
Interactive
Curated OER

Simplifying Fractions

For Students 8th - 10th
In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
Lesson Plan
Curated OER

The Language of Mathematics

For Teachers 4th - 6th
Students integrate the language, concepts and skills of math into the daily routine and classroom environment. They think mathematically by participating in short, daily, individual, small group, whole group and transitional activities...
Lesson Plan
Curated OER

Belongs, Doesn't Belong

For Teachers 5th
Fifth graders discover the rule used to sort a set of data into two sets, those data that belong according to the rule and those data that don't belong. Students participate in a game to determine the rule. They discuss strategies for...
Unit Plan
Khan Academy

Khan Academy: Identify Prime Numbers

For Students 3rd - 5th Standards
Identify prime numbers less than 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Relatively Prime Numbers and Polynomials

For Students 9th - 10th Standards
Find a quick, concise explanation of relatively prime numbers and how this concept applies to polynomials. Examples are given and clearly explained.
Graphic
Cool Math

Coolmath: Pre Algebra Prime and Composite Numbers

For Students 9th - 10th
Students can learn the definitions of "prime numbers" and "composite numbers" with this resource. Several pages are provided that show students how to break down composite numbers until only prime numbers are left.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: The Prime Page

For Students 9th - 10th Standards
Find a quick, concise but complete explanation of prime numbers. A variety of related topics are covered such as: A table of the first 400 Prime Numbers, Do Primes ever stop?, the Prime Number Theorem and Twin Primes.
Unit Plan
Khan Academy

Khan Academy: Prime and Composite Numbers Intro

For Students 4th Standards
Discusses factors, prime and composite numbers, and why the number 1 is not prime or composite. Includes practice problems throughout, along with explanations of solutions.
eBook
Math Planet

Math Planet: Factorization and Prime Numbers

For Students 6th - 8th
Gain an understanding of how to factor prime numbers by viewing examples and a video lesson.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Composite Numbers

For Students 3rd - 8th Standards
Find a quick, concise explanation of Composite Numbers. Several examples are given and clearly explained. Prime numbers are also described.