National Security Agency
Fraction Fever
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,...
Curated OER
Building Empathy Creating Community
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.
Curated OER
Equivalent Fractions and Comparing Fractions
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.
TED Talks
Ted: Ted Ed: Why Can't You Divide by Zero?
Learn about the math rule that says we cannot divide by zero.
CK-12 Foundation
Ck 12: Arithmetic: Prime Factorization
[Free Registration/Login may be required to access all resource tools.] Write the prime factorization of given numbers.
Sophia Learning
Sophia: Even Numbers: Lesson 8
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."
Sophia Learning
Sophia: Even Numbers
This video lesson shows even numbers, or numbers which can be evenly divided by two. [1:48]
CK-12 Foundation
Ck 12: Arithmetic: Division of Decimals by Decimals
[Free Registration/Login may be required to access all resource tools.] Find the quotient of two decimals by changing divisors into whole numbers.