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Worksheet
Curated OER

Leveled Problem Solving: Prime Factorization

For Students 4th - 6th
In this prime factorization worksheet, students solve a set of 6 problems related to prime factorization, including determining whether numbers are prime or composite and determining factors.
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Lesson Plan
Curated OER

Prime Factorization

For Teachers 6th
Sixth graders participate in a lesson plan that focuses on the concept of finding the prime factorization of a number. They write the answer using exponential notation. Students play a game of Bingo to keep engaged during the lesson plan.
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Worksheet
Curated OER

My Test Book: Multiples and Prime Factorization

For Students 5th - 7th
In this math skills worksheet, students solve 10 multiple choice math problems regarding prime factorization and multiples. Students may view the correct answers.
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Interactive
Scholastic

Study Jams! Area of Irregular Figures

For Students 5th - 8th Standards
Painting an irregular figure can be tricky if we don't know the exact area. This interactive presentation reveals that irregular figures can be broken into smaller, simple figures that use the area formulas. Go through two examples,...
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Lesson Plan
Curated OER

Factors, Divisibility, and Relatively Prime

For Teachers 7th
Seventh graders explore the concept of divisibility. In this divisibility lesson, 7th graders use divisibility rules to find factors of numbers. Students create foldables to illustrate divisibility rules.
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Printables
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1
Houghton Mifflin Harcourt

Unit 4 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Common denominators, factors, and rounding are a few of the terms in a set of flash cards designed to reinforce math vocabulary. Forty-two cards offer a bold-faced vocabulary word or a corresponding definition alongside an example with...
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Worksheet
1
1
K12 Reader

Eratosthenes: Geographer and Mathematician

For Students 4th - 5th Standards
Mathematicians can be famous, too! Introduce your class to Eratosthenes with a reading passage. After they complete the passage, learners respond to five questions, some of which require opinions and others reading comprehension skills.
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Lesson Plan
Alabama Learning Exchange

How Old is Your Money?

For Teachers 3rd - 5th Standards
Elementary learners explore coin mint dates. First, they listen to the book Alexander Who Used to be Rich Last Sunday by Judith Viorst. They then sort a collection of coins according to their mint date and put them in order from oldest...
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Lesson Plan
Curated OER

Aerosol Lesson: Volcano Types

For Teachers 6th - 8th
Students identify three types of volcano: cinder cone, composite, and shield.
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Lesson Plan
Curated OER

Number Theory

For Teachers 8th - 12th
Learners explore the concept of number theory. They discuss an assortment of number theory topics such as prime numbers, composite numbers, GCF, modular arithmetic, and others in a lecture style discussion. Pupils view videos about these...
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Lesson Plan
Curated OER

Patterns

For Teachers 9th
In this Algebra I worksheet, 9th graders explore number and geometric patterns and use the Sieve of Eratosthenes to find the prime numbers less than one hundred.  The six page worksheet contains eight multipart questions.  Answers are...
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Worksheet
Curated OER

Number Theory Worksheet 2: The Sieve of Eratosthenes

For Students 5th - 6th
In this primes and multiples worksheet, students follow the directions to circle primes and multiples on a hundred chart until all prime numbers from 1 to 100 are circled. This is called the Sieve of Eratosthenes.
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Lesson Plan
Curated OER

Applying Prime Factorization

For Teachers 6th
Sixth graders use the prime factorization of numbers to find the greatest common factor and least common multiple. Working in small groups, they solve problems using the greatest common factor and least common multiple.
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Lesson Plan
Curated OER

Prime Real Estate

For Teachers 4th - 6th
Students analyze and discuss prime numbers and the Sieve of Eratosthenes, a procedure to sort out prime numbers. They identify the prime numbers from 1-100 by eliminating all the multiples of the first four prime numbers, and circle what...
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Worksheet
Curated OER

Eratosthenes Sieve¦

For Students 6th - 8th
In this math instructional activity, students find the prime numbers through going through the factors in sequential order. The answers are used to create the words at the bottom of the page.
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Activity
Curated OER

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...
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Worksheet
Curated OER

More Differentiation

For Students 11th - Higher Ed
For this differentiation worksheet, students solve and complete 8 various types of problems. First, they differentiate each of the equations listed. Then, students find an equation of the tangent to the curve at a given point. They also...
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Worksheet
Curated OER

Factors and Greatest Common Factor

For Students 9th
In this factors worksheet, 9th graders solve and complete 39 different problems that include determining the greatest common factor to solve. First, they state whether each number is prime or composite. Then, students factors each...
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Lesson Plan
Curated OER

"Knot" the Whole Truth: Writing a Modern-Day Story with a Tall Tale's Voice

For Teachers 5th - 9th
Beyond Paul Bunyan and his blue ox, tall tales can be a great way to teach young writers about word choice and voice in their writing. Using Jerry Spinelli's Maniac Magee  and the Six-Trait Writing process, they begin to write their own...
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Lesson Plan
EngageNY

Mental Math

For Students 10th - 12th Standards
Faster than a speedy calculator! Show your classes how to use polynomial identities to multiply numbers quickly using mental math. 
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Lesson Plan
Curated OER

Greatest Common Factor: Using the Factor Tree

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

Factors Game

For Students 6th - 8th
In this factors game instructional activity, teams of students identify factors.  They find proper factors of a given number  This one-page instructional activity cotnains approximately 40 problems.
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Lesson Plan
Curated OER

Math: Am I Prime?

For Teachers 7th
Seventh graders determine the difference between prime and composite numbers. On a Website, they discover a method to identify all the prime numbers up to 100 and also complete several online activities. Once they have discussed the...
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Lesson Plan
Science Matters

Landforms from Volcanoes

For Teachers 6th Standards
Three major types of volcanoes exist: cinder cone, composite/strata, and shield. The 18th lesson in a 20-part series covers the various landforms created from volcanoes. Scholars work in pairs to correctly identify the three types based...

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