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The Series Finale of Online Education: Coursera Acquires Udemy

$7.2 billion in combined revenue since 2020. $8 billion in lost market value. This merger marks the end of an era in online education.

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Mathematics
Elementary Mathematics

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Insights into Mathematics
Open Numbers - Elementary Mathematics Explained - N J Wildberger

Explore open numbers, a money-like alternative to Hindu-Arabic numerals. Learn conversion techniques, practice with Monopoly money, and discover simplified addition methods in elementary mathematics.
- YouTube
- 33 minutes
- On-Demand
- Free Video
Insights into Mathematics
Introducing Arithmetic Sequences - Elementary Mathematics Explained

Explore arithmetic sequences, their patterns, and applications in elementary mathematics. Practice adding sequences systematically to improve number skills and solve interesting puzzles.
- YouTube
- 26 minutes
- On-Demand
- Free Video
Insights into Mathematics
Strengthening Addition Skills - Elementary Mathematics Explained

Explore fun puzzles and techniques to strengthen addition skills, focusing on complementary numbers, the addition table, and wrapping around 10. Develop a deeper understanding of arithmetic fundamentals.
- YouTube
- 26 minutes
- On-Demand
- Free Video
Insights into Mathematics
Cooking and Baking With Basic Arithmetic - Elementary Mathematics Explained

Explore how basic arithmetic and measurement skills can be developed through cooking and baking activities, while emphasizing kitchen safety and practical applications for young learners.
- YouTube
- 20 minutes
- On-Demand
- Free Video
Insights into Mathematics
Volumes and Capacities - Elementary Mathematics Explained

Explore volumes and capacities through hands-on activities, learning both metric and imperial systems while strengthening arithmetic skills and understanding numerical concepts.
- YouTube
- 22 minutes
- On-Demand
- Free Video
Insights into Mathematics
Weighing with Grams and Ounces - Elementary Mathematics K-6 Explained

Explore weight measurement using grams and ounces through hands-on activities with household items. Learn about kitchen scales, pan balances, and standardized weights while practicing counting and ordering.
- YouTube
- 26 minutes
- On-Demand
- Free Video
Insights into Mathematics
The Time Scale of a Human Life - Elementary Mathematics Explained

Explore the measurement of time through human life stages, astronomical cycles, and life spans. Learn to visualize a century-long timeline and understand key milestones in human development.
- YouTube
- 30 minutes
- On-Demand
- Free Video
Insights into Mathematics
Area Problems Using Multiplication - Elementary Mathematics Explained

Explore area problems using multiplication in the grid plane. Practice addition and multiplication skills while learning about historical connections between multiplication and rectangles.
- YouTube
- 26 minutes
- On-Demand
- Free Video
Insights into Mathematics
Word Problems Using Addition - Elementary Mathematics Explained

Learn to solve word problems using addition with clear explanations and examples. Gain practical skills in elementary mathematics through step-by-step solutions and practice exercises.
- YouTube
- 26 minutes
- On-Demand
- Free Video
Insights into Mathematics
Addition in Practice - Elementary Mathematics Explained

Explore addition laws, even/odd numbers, and their geometric representations. Learn associative and commutative properties, and discover practical applications in arithmetic and counting problems.
- YouTube
- 25 minutes
- On-Demand
- Free Video
Insights into Mathematics
Arithmetic with Money - Elementary Mathematics Explained

Explore arithmetic using money to connect math with the real world. Learn a novel number representation system and understand the "Problem of Carrying" in traditional numerals.
- YouTube
- 23 minutes
- On-Demand
- Free Video
Wrath of Math
Viral 2nd Grade Math Homework Asks the Impossible - Understanding Multiplication by Zero

Explore a viral 2nd grade math worksheet that sparked controversy by asking students to visualize multiplication with zero through drawings and pictures.
- YouTube
- 23 minutes
- On-Demand
- Free Video
eHowEducation
Elementary School Math - 5th Grade Fractions, Algebra, Geometry, and Problem-Solving Activities

Discover essential math concepts from fractions and algebra to geometry through engaging lessons and activities designed for elementary students.
- YouTube
- 23 minutes
- On-Demand
- Free Video
Wrath of Math
Hilarious Math Problem Baffles Parent - The Off-by-One Error

Explore a seemingly simple second grade addition problem that reveals the famous "off by one" error, connecting elementary math to historical mathematical concepts.
- YouTube
- 14 minutes
- On-Demand
- Free Video
Wrath of Math
Is the Homework Flat Out Wrong? - Third Grade Math Array Problem Analysis

Explore a controversial third grade math homework problem about arrays and discover why the wording creates confusion about rows versus columns in mathematical contexts.
- YouTube
- 13 minutes
- On-Demand
- Free Video

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