Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th
Sixth graders identify prime and composite numbers. They participate in a hands-on activity to discover the multiples and factors of specified numbers. They write a paragraph to explain representing factors.
Activity
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Curated OER

Mathematical Treasure Hunt

For Teachers 3rd - 8th Standards
The hunt is on! Young mathematicians follow clues and complete a series of ten math puzzles as they try to crack Dr. Integer's code and find the location of his hidden treasure.
Interactive
Scholastic

Study Jams! Greatest Common Factor

For Students 5th - 8th Standards
When one method isn't enough to teach GCF, try two! This interactive webpage introduces factors and the prime factor tree to find the greatest common factor of two numbers. After the lesson, have learners click to try the two examples...
Interactive
CK-12 Foundation

Greatest Common Factor Using Factor Trees

For Students 6th Standards
Beginning with a description that sets the stage, learners are asked to break down the numbers 42 and 63 to find the greatest common denominator using factor trees. As they work through the factoring process, young mathematicians are...
Lesson Plan
Curated OER

Making Moths

For Teachers 6th - 8th
Students study the Gregorian Calendar and its historical significance.In this calendar lesson plan students create a calendar design for an imaginary planet.
Lesson Plan
Curated OER

Mathematics Within: Algebraic Processes and Its Connections to Geometry

For Teachers 5th
Fifth graders discover the connections between algebra and geometry. With a focus on arrays and factors, they are introduced to multiplication. They develop an array for multiples of 2 through 10 and identify the factors of each row....
Lesson Plan
Curated OER

Paper Pool

For Teachers 5th - 8th
Students analyze the measurements of rectangles. For this analysis lesson, students will investigate patterns by looking at ratios. Students will also hypothesize the probability of a ball going into a certain pocket when playing pool....
Lesson Plan
Curated OER

Factors and Multiples

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

One Hundred Hungry Ants (Multiplication and Division)

For Teachers 4th
Fourth graders explore factors of numbers from 1 to 50. They gain practice with basic facts and multi-digit multiplication problems. Students practice the commutative property. They discover the link between multiplication and...
Lesson Plan
Curated OER

Factoring Large Numbers

For Teachers 7th
Seventh graders practice applying the rules of divisibility.
Lesson Plan
Curated OER

Euclidean Algorithm

For Teachers 9th - 12th
Students 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 Algebra.
Lesson Plan
Curated OER

Simplifying Square Roots

For Teachers 9th - 12th
Discuss the definition for a simplified form for a square root. Middle schoolers analyze different forms of a square root, the Product Property of Square Roots, and complete a worksheet.
Worksheet
Curated OER

Find Factors of a Number

For Students 4th - 7th
In this finding factors practice worksheet, students sharpen their problem solving skills as they solve 6 story 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
Students 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

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
Cuemath

Cuemath: Prime Factorization

For Students 5th - 8th
In this lesson, you will be learning prime factorization to solve various mathematical problems followed by solved examples and practice questions.
Handout
Quia

Ixl Learning: Prime Factorization

For Students 5th - 6th
Brush up on your math skills relating to prime factorization then try some practice problems to test your understanding.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Prime Factorization

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Write the prime factorization of given numbers.
Unit Plan
Homeschool Math

Homeschool Math: Prime Factorization

For Teachers 3rd - 8th Standards
This site contains a free lesson on Prime Factorization in which students learn by doing practice problems.
Lesson Plan
Alabama Learning Exchange

Alex: Hanging Out With Prime Factorization

For Teachers 3rd - 8th Standards
During this lesson, students will review factors, prime and composite numbers. Students will also create a mobile that show the prime factorization of the number of their choice. This lesson plan was created as a result of the Girls...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: A Number as a Product of Its Prime Factors

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Write the prime factorization of given numbers.
Unit Plan
Homeschool Math

Homeschool Math: Prime Factorization of Three Digit Numbers

For Teachers 5th
This lesson shows examples of how to get started with the prime factorization of three-digit or larger numbers, using a factor tree. includes numerous practice exercises.
Lesson Plan
Better Lesson

Better Lesson: Prime Factorization of Numbers

For Teachers 6th
Sixth graders will climb math trees.