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# prime and composite

## Collection by Maggie Carey

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Use these three pages of material to review or quiz your students on factors, multiples, prime, and composite numbers. Perfect as a simple assessment or to prepare for your own classroom for a factors and multiples quiz or test. Concepts Covered in this activity:Greatest Common FactorsLeast Common M...

Factor Trees. A festive review of prime and composite numbers. Fancy Free in Fourth: Giveaway!

I've got two journal entries from our Interactive Math Journals to share with you today. We finished up our math unit this week - we were working hard to get it done before March Break. (YAY for spring break!!!). The first entry was a simple one for prime and composite numbers. I photocopied a hundred chart onto a longer rectangle so that the sides could fold together and meet in the middle. Under each of the flaps we wrote the definition for prime and composite numbers. We then colored our…

So, we've started implementing the Common Core Curriculum this year and sometimes I feel like I have no idea what I am teaching (anybody else feel that way?) In my head, I'm going, "what is that again?" Well I had one of those moments last week as I was planning my math lesson on prime and composite numbers. Gosh, I hadn't really thought about those terms since high school. And they aren't in the students' math textbooks...so...I did a little research online and then I jumped into the…

Factor Tree! I made this when I was teaching prime factorization to 6th graders. The stars are prime numbers and the squares are composite numbers, which can be broken down again. The kids enjoyed making their own factor trees.

It's a rainy day this morning ... rainy and chilly. I guess it's nature's way of telling me to stay inside and clean my house today. So ... let the procrastination begin ... I've got some GREAT foldables to share with you today. This week I had a reader ask me how I use my math journals in my classroom. I guess my math journals are more of an interactive glossary or how-to manual. Every time we have a new definition, or a formula or procedure, I try to do a foldable for it. Students keep…

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This fast-paced game is a great way to for kids to explore with the concept of factors, allowing you to address the Common Core Math Standards within the Grade 4 cluster "Gain familiarity with factors and multiples." Students will quickly discover the difference between prime and composite numbers,...

Here's an engaging prime and composite number sort to make math centers more fun! Your kids will love scanning the QR codes when they're finished sorting to self-check their work. All you will need is a device that can read QR codes (iPod Touch, iPad, tablet, or laptop/desktop with a camera). Thi...

Student Notes: Prime, Composite, Factors, Multiples FREEBIE Teachers can provide students with notes to reinforce skills taught in class such as factors, prime and composite numbers and multiples. Teachers can give all students a copy to assist with homework and studying. Browse my store! www.teacherspayte...

This partner game is a fun way to introduce or reinforce prime and composite numbers. This game also reinforces the 4th grade Common Core standard- MCC4.OA.4- Find all factor pairs for a whole number in the range 1-100. Recognize that a whole number is a multiple of each of its factors. Determine w...

MissMathDork: middle school math made FUN!: The incredible Lapbook resource Very Cool Idea!!!!!

Prime or Composite Identification Prime or Composite Hunter Game with Scoring Sheet List of all prime numbers 0-250 Prime or Composite Challenge Question sheet Factors for numbers 1-20 fill in chart Multiples Challenge Activity Least Common Multiple Intro Least Common Multiple Application Activity A...

Students learn about composite and prime numbers! This fold-up gives the definitions for both Composite and Prime Numbers. It also includes an example of each. The fold-up is a half sheet two-flap resource that would fit well in a math journal or stand alone. A second inside page option is also ...

Go Back to School with some logic problems that involve your students in a "find the number" exploration. In this 21-page packet, students simulate some typical back to school activity scenarios as they try to find a solution to the question posed in the problem. They practice divisibility rules, i...

Even big kids can have fun with Math centers and these Valentine's Day themed prime and composite activities are perfect for students in Grades 3-5. Included are 2 Math Centers, vocabulary posters, and 2 extra activity pages (mystery picture & color by number). Math Center #1 is a sorting acti...