Kids Academy
Grade 2: Math - Fact Families Worksheet | Kids Academy
Fact families are fun to learn, but most importantly, they help kids learn to analyze numbers in relation to one another in grade 2 math! Your child will dance through this ballet-themed fact families worksheet as they watch this...
Curated Video
Memorizing Division Facts
Mr. Addit reviews division by 1, 2, 5, and 10 and explains that division is the opposite of multiplication just as subtraction is the opposite of addition.
Curated Video
Eleven and Twelve Tables
Mr. Addit reviews multiplication facts for 11 and 12 and discusses solving problems with the factors 11 and 12.
Curated Video
Adding Rational Numbers Using Rules
In this video, we explore the exciting world of rational numbers and learn how to add them using integer rules. Perfect for 7th graders and anyone looking to strengthen their math skills, this tutorial breaks down the process with clear...
Curated Video
Is the E8 Lattice a Possible Theory of Everything?
New ReviewE8 Lie group and E8 Lattice has sometimes been called the most beautiful mathematical structure in the world. Is it the theory of everything or the true nature of reality? It even has an entire research company behind it called "Quantum...
Khan Academy
More Examples of Addition and Subtraction of Polynomials, Algebra II
Though they " sound like a really fancy word," polynomials prove to be no match for Sal's mathematical skills. After defining the term and providing a few examples, Sal works through a few equations that add or subtract polynomials,...
MinutePhysics
Albert Einstein: The Size and Existence of Atoms
How do you prove the existence of something you can't see? For Albert Einstein, a liberal application of math usually did the trick! Physics scholars discover the relationship between atomic size and the motion of larger particles...
Math Mammoth
Math Mammoth: A Mental Math Trick: Addition With Nine and Eight
Learn a simple trick to help you add 9 or 8 to a number quickly, and how this can work with larger numbers ending in 9 or 8 as well. [8:59]