Curated Video
Adding Numbers within 100 Using Base 10 Blocks
This video explains the concept of place value and demonstrates how to break down each digit into its individual value. Students are guided through several addition problems, learning how to find the partial sums and then combine them to...
Curated Video
Division with 0 and 1: Understanding the Special Properties
In this video, students learn about the special properties of 0 and 1 when solving division problems. They explore how any number divided by 1 is itself, and any number divided by itself is 1. The video also emphasizes that division by 0...
Visual Learning Systems
Grouping Living Things: Major Groups
There are millions of different kinds of living things on the planet. Grouping them is not an easy task. This fascinating program explores this process and investigates some of the major groups of living things.
Step Back History
The Anarchists of the Spanish Civil War
This month is the 80th anniversary of the beginning of the Spanish Civil War. The Spanish Civil War is In many ways a dark prologue to the conflict that will engulf Europe and the world in 1939. Many remember The Spanish Civil War as a...
Curated Video
History of the Periodic Table
This video provides a historical account of how the periodic table was developed. The video highlights the challenges faced by chemists during the 19th century in trying to order the newly discovered elements due to a lack of knowledge...
Institute for New Economic Thinking
The Push and Pull of Inequality and Identity
Amitava Dutt discusses how group identity is key to addressing inequality and how inequality can disrupt group identity. Dutt explains the difference in measuring inequality vertically--which observes rankings of individuals...
Why U
Algebra 49 - Three Variable Systems in the Real World - Problem 1
Algebra 49, 50 and 51 present three real-world problems which can be solved using systems of three linear equations in three variables. This chapter shows how prices of three individual items can be determined, given three combinations...
Visual Learning Systems
Grouping Living Things: Grouping Things
There are millions of different kinds of living things on the planet. Grouping them is not an easy task. This fascinating program explores this process and investigates some of the major groups of living things.
Organizational Communication Channel
Definition of a Small Group
Defines the essential characteristics that separate an actual group from a mere crowd of people.
Curated Video
Solving Division Problems Without Remainders Using Multiplication Rules
In this lesson, students will learn how to solve division problems without remainders by using multiplication rules. They will understand the concept of breaking a total group into a certain number of parts and use their knowledge of...
Curated Video
Understanding Division by Zero
In this lesson, students are taught why it is not possible to divide any number by zero. Through the use of visual aids and inverse operations, the teacher demonstrates that dividing by zero results in an undefined value.
Curated Video
Interpreting Division with Real World Examples
In this lesson, students learn to interpret the meaning of division by matching equations to real-world examples. They are taught that division is the inverse of multiplication and that it involves breaking down a whole into equal-sized...
Curated Video
Understanding the Commutative Property of Multiplication
In this video, the teacher explains how to use the commutative property of multiplication to solve problems. They use visual models, such as apples, to demonstrate that changing the order of the factors does not change the product.
msvgo
Let's Multiply
This nugget demonstrates the fact that multiplication is repeated addition. It also teaches how to multiply by using a number line.
Curated Video
Understanding Even and Odd Numbers through Grouping and Partnerships
In this video, students learn how to determine if a number is even or odd by forming equal groups and partnerships. The teacher uses visual examples and a number line to illustrate the concept. Students also learn to recognize the...
Curated Video
Factors Affecting Dynamic Equilibria: Exothermic and Endothermic Reactions, Dynamic Equilibrium, and Le Chatelier's Principle
The video discusses the factors affecting dynamic equilibrium by explaining the difference between exothermic and endothermic reactions, and how they relate to reversible reactions. The concept of dynamic equilibrium is explained using...
Curated Video
Dividing Whole Numbers by Unit Fractions
In this video lesson, students will learn how to divide a whole number by a unit fraction by thinking about equal groups. The teacher explains the concept using visual representations, such as drawing rectangles and using number lines....
Professor Dave Explains
Organometallic Reactions Part 2: Oxidative Addition
In addition to ligand exchange, another common organometallic reaction is oxidative addition. This commonly occurs with metals that have stable oxidation states that are two apart. Let's explore some examples of different stypes of...
Professor Dave Explains
More Examples Using the Cahn-Ingold-Prelog Convention
Harder examples using the Cahn-Ingold-Prelog convention.
Healthcare Triage
Should We Pay People to Improve Their Health? Healthcare Triage News
We seem to have no problem penalizing patients for being unhealthy (see our episode on wellness programs). But we rarely consider paying patients to be healthier. Why is that? The NEJM has a study to change your mind.
Curated Video
Multiplication as a Comparison: Using Number Sentences
In this video, the teacher explains how multiplication can be thought of as a comparison. They use bar models to visually represent the multiplication sentences and show how the bottom bar is a certain number of times longer than the top...
Curated Video
Multiplying Fluently by Subtracting from Groups of 10
In this video, students learn how knowing their 10s facts can help them solve multiplication problems quickly and fluently. The video demonstrates strategies for multiplying by subtracting from groups of 10. The commutative property of...