Worksheet
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Rationals

For Students 9th
For this rational numbers worksheet, 9th graders solve 14 various types of problems relating to rational numbers that include simplifying each equation and reducing to lowest terms to using the order of operations to simplify equations....
Lesson Plan
Curated OER

Introducing the Concept Prime Factors

For Teachers 5th
Fifth graders identify the prime factorization for 48 using different sets of factors. They find the prime factorization for 60.
Worksheet
Curated OER

Prime Factors

For Students 9th - 10th
In this prime factor activity, students write numbers as a product of primes. Explanations and examples are provided prior to the exercise. This two-page activity contains ten problems.
Worksheet
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Prime factors

For Students 6th
In this prime factors worksheet, 6th graders find the prime factors of two digit numbers. Students complete 6 problems where they find prime factors.
Lesson Plan
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Mathematics: Prime and Composite Numbers

For Teachers 6th
Sixth graders explore how to apply the commutative property and the rules of divisibility. They examine the difference between prime and composite numbers.
Worksheet
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Counting from 1-20 - Odd and Even Numbers

For Students 2nd
In this number recognition instructional activity, 2nd graders examine a number chart that includes the numbers 1- 20. They record all of the even numbers on one line, and all of the odd numbers on a second line.
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...
Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 5th - 6th
Students identify prime and composite numbers. For this prime and composites lesson, students are given the rules for identifying prime and composite numbers by the teacher, who gives examples on the board. Individuals then complete a...
Lesson Plan
Curated OER

Prime and Composite Numbers with use of manipulatives (Elementary, Mathematics)

For Teachers 5th - 6th
Young scholars learn what prime and composite numbers are. They learn how to identify them by working in a group and demonstrating an understanding of one work problem with 100% accuracy using the manipulatives provided.
Lesson Plan
Curated OER

Prime Factorization

For Teachers 4th - 5th
In this math worksheet, students find the solutions to the whole numbers through finding the prime factorization. This could be done using number trees.
Worksheet
Curated OER

Counting Puzzle

For Students 4th - 5th
In this number crossword puzzle worksheet, students use the clues about factors, multiples, prime numbers, and odd numbers to complete the crossword puzzle.
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...
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.
Lesson Plan
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Mission: Finding the LCM using Prime Factorization

For Teachers 5th - 6th
In this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
Interactive
Curated OER

TAKS Math Quiz-Factorization

For Students 4th - 6th
In this TAKS math quiz worksheet, learners take an online quiz focused on the concept of factorization. Quiz can be graded online by clicking a link.
Worksheet
Curated OER

Prime Factorization

For Students 5th - 8th
In this prime factorization worksheet, students complete factor trees for 2 digit numbers to find their prime factorization. Students complete 6 problems.
Worksheet
Helping with Math

Prime Factorization with Factor Trees (2 of 2)

For Students 3rd - 5th Standards
The publisher has tagged this resource as designed to meet CCSS.Math,Content.6.NS.4, but it really is only the first step in the process of determining least common multiples and greatest common factors. Six numbers are given for...
Worksheet
Curated OER

Prime Factorization, Equivalent Fractions and GCF review

For Students 7th - 9th
In this sample test worksheet, students solve twenty-five problems covering prime factorization, equivalent fractions, greatest common factor, and plotting on a number line.  Solutions are provided.
Lesson Plan
Curated OER

Building Venn Diagrams

For Teachers 5th - 8th
Learners use Venn diagrams to solve prime number and factorization problems. In this multiplication instructional activity, students watch a video and use a Venn Diagram to help them solve a pizza math activity that uses prime...
Worksheet
Curated OER

My Test Book: Multiples and Prime Factorization

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

My Test Book: Rational and Irrational Numbers

For Students 6th - 8th
In this online interactive math skills worksheet, middle schoolers solve 10 multiple choice math problems regarding rational and irrational numbers. Students may submit their answers to be scored.
Lesson Plan
Curated OER

Sets and the Venn Diagram

For Teachers 4th - 5th
Students review number sets and complete a Venn Diagram for number sets. In this number sets lesson, students review integers, whole numbers, and elements. Students use computers to create a Venn Diagram for number sets. Students...
Worksheet
Curated OER

Changing Improper Fractions to Mixed Numbers

For Students 6th
In this changing improper fractions to mixed numbers worksheet, 6th graders solve four columns of twelve improper fraction plus six review problems at the bottom of the page.
Worksheet
Curated OER

Unit 2 Section 2: Prime Factors

For Students 7th - 8th
For this prime factors worksheet, students make six factor trees. They tell the prime factorization for eight numbers. Students answer three questions regarding the prime factorization of numbers.

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