This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...

Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...

Learners thrive in a classroom where they are part of a strong community. Foster a collaborative atmosphere in your classroom with a series of activities focused on conflict resolution, communication, empathy, and defense against bullying.

How can you tell if fractions have equal value? Use various collaborative activities to demonstrate the ways to determine whether or not fractions are equivalent.

[Free Registration/Login may be required to access all resource tools.] Determine the factors of given numbers using divisibility rules.

This site provides great practice on the concept of divisibility rules. 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...

[Free Registration/Login may be required to access all resource tools.] Explains the ideas of Democritus dealing with the divisibility of the atom.

[Free Registration/Login may be required to access all resource tools.] Find the quotient of two decimals by changing divisors into whole numbers.

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.

This interactive site allows students to practice their division skills. At the end of the lesson students will be able to divide mentally using divisibility tests, solve word problems using division strategies, and use a written...

[Free Registration/Login may be required to access all resource tools.] Write the prime factorization of given numbers.

This lesson shows even numbers, or numbers which can be evenly divided by two. It is 8 of 13 in the series titled "Even Numbers."