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Interactive
Scholastic

Study Jams! Prime Factorization

For Students 4th - 6th Standards
Deepen the number sense of young mathematicians by exploring the process of prime factorization. Follow along with this step-by-step presentation that explains how factor trees are used to break a composite number down into its prime...
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PPT
Curated OER

Factors, Primes, Squares

For Teachers 5th - 6th
Teach the joys of factoring and introduce prime and square numbers. Upper elementary learners are introduced to these concepts through complete definitions, examples, and practice problems. A variety of strategies, such as factor trees...
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Interactive
Scholastic

Study Jams! Tree Diagrams

For Students 4th - 7th Standards
With so many toppings to chose from, make the ice cream truck combinations a fun math problem that teaches your learners about outcomes. The video introduces a tree diagram that allows your mathematicians to see how to create...
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Activity
Math Learning Center

Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors

For Teachers 5th Standards
Incorporate riddles into your math lesson by having students make tree factors and determine if the number is a prime or composite. They will also use other clues to find the answer to the riddle while sharpening their multiplication...
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Lesson Plan
Curated OER

Factor Trees

For Teachers 3rd - 5th
Students practice factor trees. They use Paint in Microsoft Word to create factor trees. After completion, they use a calculator to check their answers. In addition, they visit websites to reinforce the information.
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Worksheet
Curated OER

Missing Numbers - Multiplication Virtual Worksheet

For Students 3rd - 4th
In this multiplication worksheet, students complete 72 vertical problems in which they find the second factor using the product and one factor. They can complete the worksheets online or print them out.
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Lesson Plan
Curated OER

Prime Factorization

For Teachers 5th - 6th
In these prime factorization worksheets, students make a factor tree of the given numbers and then write the answers using exponential notation. Students then use multiplication to check their factoring work. Students evaluate the...
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Lesson Plan
Curated OER

What Are You - Prime or Composite

For Teachers 8th - 10th
Students explore the concept of prime factorization. In this prime factorization lesson, students participate in an activity where they find the prime factorization and greatest common factor of a number derived from their name. Students...
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Worksheet
Curated OER

Multiplication: Finding Missing Numbers

For Students 2nd - 5th
In this multiplication worksheet, students solve 78 multiplication problems in which one of the factors is missing. Worksheet is in graphic organizer form, 3x3 rows.
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Lesson Plan
Curated OER

What's in Wetland Soil?

For Teachers 6th - 8th
Students examine the organic and inorganic components of soil. For this environmental science lesson, students identify the factors that influence soil formation. They collect soil samples, conduct tests, and analyze the results.
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Lesson Plan
Curated OER

Arrays Hooray

For Teachers 2nd
Second graders write and solve story problems which involve whole numbers, using addition, subtraction, multiplication, or division. They solve multiplication problems by using strategies other than counting all. They interpret and solve...
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Lesson Plan
Curated OER

Chocolate Math

For Teachers 3rd - 6th
Students practice solving math equations by analyzing chocolate recipe measurements. In this chocolate baking math lesson, students read about the Hershey factory and recipes used to create chocolate bars. Students solve problems and...
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Printables
Virginia Department of Education

Middle School Mathematics Vocabulary Word Wall Cards

For Teachers 5th - 9th
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
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Lesson Plan
Curated OER

The Generation of Fractions

For Teachers 4th - 5th
Students explore the process of reducing fractions to simplest form by using a multiples grid. For this simplest form lesson, students pull different fractions out of a bag and then consult their grid to discover all the multiples that...
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Unit Plan
PBS

Pbs: Greatest Common Factor

For Students 6th - 8th Standards
In this video, learn how to find the greatest common factor of two numbers. Then, see how this can be used to solve problems with large numbers. In the accompanying classroom activity, students learn to find prime factors using factor...
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Whiteboard
ClassFlow

Class Flow: Factor Tree

For Teachers 3rd - 5th
[Free Registration/Login Required] The teacher will use this lesson plan to review multiplication factors.
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Unit Plan
Scholastic

Scholastic: Study Jams! Math: Multiplication & Division: Prime Factorization

For Students 4th - 7th Standards
This site provides great practice on the concept of prime factorization. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their...
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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.
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Website
Other

Global Classroom: Kidspiration Math Templates

For Teachers Pre-K - 1st
Download the Kidspiration templates to be used as supplemental math resources. Templates include the following elementary math topics: fractional parts, ordering fractions, multiplication, place value, matching shapes, ordering numbers,...