Double the trouble, double the fun. Join us in this mighty video as we learn our doubles facts. Doubles are just an easy way to memorize addition and subtraction facts, such as 5+5 or 7+7.

This video introduces the fundamental ideas of addition as putting things together. Starting with counting people and objects, students will build foundational knowledge of addition concepts. This video begins with concrete learning like...

Join us today by using your imagination and learning about our magical number, ten. Number ten is a critical anchor in a student's understanding and development of numeracy. This video introduces a ten frame, an excellent tool to help...

In this lesson we explore fact families: three numbers that make addition and subtraction sentences together. Learning fact families helps students relate addition and subtraction, solve for unknowns, and identify missing addends. I'd...

This video teaches us all about adding to 5. Students learn all the different ways to add up to 5 using a five frame. Whether we use 3 plus 2 or 4 plus 1, the five frame always shows 5 in total. Five frames make math quick and easy by...

“Like Denominators: Add/Subtract” shows methods for adding and subtracting fractions that have like denominators, including using a number line.

The video “Word Problems about Time” explores ways of solving time-related word problems, including methods for identifying keywords and setting up the problems.

History is filled with stories of barbaric warriors who cause wanton destruction. They have been titled by ancient historians as "savages," "uncivilized," and even "the Scourge of God." But what makes them the most terrifying warriors in...

MIT has announced that they will be investing $1 Billion in AI research, in the form of a new College of Computing. But what does that mean?

This video will introduce tools to sort and filter data, teaching how to organize data in alphabetical order, reverse sort, and create custom sorts using multiple criteria. It also demonstrates how to filter records based on specific...

Integrated Pest Management explores environmental effects by examining the potential impacts humans have on the environment when integrated pest management is used to control crop pestilence.

“The Sum of 10 and a Number” shows how to use the “making 10” strategy to find the sum of three addends.

A video entitled “Create Multiplication Problems” models how to use real-world examples to create multiplication problems.

The video “Fact Families of 1 and 2” introduces the concept of fact families, demonstrating how to arrange addition and subtraction number sentences that include the numbers 1 and 2.

UCLA psychologist Martin Monti describes how, contrary to what most of us naively believe, there is ample evidence that many animals can perform basic mathematical operations.

Learn about math and addition with this Addition Math Songs by KLT.

This video will demonstrate how to create a gesture drawing.

In this video, we'll explore the concept of carrying numbers in addition and regrouping. This is a crucial math skill for students in 2nd, 3rd, and 4th grades as it helps them add larger numbers with ease and accuracy. Want the...

For centuries, society has cheered on men who rack up the greatest number of “conquests” - conquests of women, that is. In some circles, sleeping with thousands of women is ostensibly a badge of accomplishment. Even several popes have...

This video will explain how to choose the correct property to apply to a complex number expression, and how to solve them.

“Word Problems” demonstrates how to solve word problems by skip counting and using helpful tools, such as visual models, number lines, and hundreds charts.

“Missing Addend Word Problems” explains how mathematical symbols represent specific words and demonstrates how to write equations for sample word problems.

Simplify algebraic expressions by using the order of operations.

The video “National Parks” discusses how national parks were established and highlights six important national parks located in the American West.