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
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...
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...
Interactive
Scholastic

Study Jams! Least Common Multiple

For Students 5th - 7th Standards
RJ instructs your sixth graders in two different methods of determining least common multiples. The first is by listing several multiples of each number, and the second is by drawing factor trees. This is an ideal flipped classroom...
Assessment
Science Matters

Formative Assessment #1

For Teachers 3rd - 5th
Discover how much your young scientists know about biotic and abiotic factors with a two-question formative assessment that requires them to observe, list, and describe. 
Worksheet
Random House

Recipe for an Ecosystem

For Students 1st - 6th Standards
Creating an ecosystem is as simple as baking a cake. Well, maybe not, but using a recipe analogy helps learners realize that ecosystems consist of different components that come together in unique ways. Offer this worksheet as an...
Interactive
CK-12 Foundation

Prime and Composite Numbers

For Students 4th - 8th Standards
Nine true or false, multiple-choice, and discussion questions make up an interactive designed to reinforce scholars' knowledge of prime and composite numbers. A number chart reveals every prime number through 100. 
Assessment
Science Matters

Ecosystem Pre-Assessment

For Teachers 3rd - 5th
Test scholars' knowledge of ecosystems with a 20-question pre-assessment. Assessment challenges learners to answer multiple choice questions, read diagrams, and complete charts.
Assessment
Science Matters

Post-Assessment

For Teachers 3rd - 5th
Twenty questions make up an assessment designed to test super scientists' knowledge of ecosystems. Scholars answer multiple-choice and short-answer questions about organisms, food chains, energy flow, and more.
Unit Plan
Cool Math

Coolmath: Pre Algebra: Prime Factorizations

For Students 4th - 6th Standards
In this tutorial, students learn how to do prime factorization by a few different methods, including factor trees and factor stacks. The exercises work their way up from 2-digit numbers up to 5 digits. Includes practice problems.
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.
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...

Other popular searches