Curated OER
How Do You Solve a Decimal Inequality Using Subtraction?
Isolate the variable to solve any equation. This equation happens to be an inequality but is solved no different than if it were just an equation. Use the subtraction property of inequality to solve this given problem. The numbers are...
MinutePhysics
How to Subtract By Adding
Investigate the claim that 999997=-3. Learners discover how to subtract large numbers using a quick method of addition. The video provides examples and shows how adding machines and computers apply this approach to subtraction.
TED-Ed
The Tower of Epiphany | Think Like A Coder, Ep 7
Let coding save the world. As part of her quest, the hero of the series must retrieve the Node of Creation from the Tower of Epiphany. This requires solving a computer programming puzzle to determine the energy needed to fill a basin...
Socratica
What Are Eclipses? Solar Eclipse and Lunar Eclipse
Take a tour of one of the most dramatic astronomical events! The Socratica Astronomy series presents a lesson on the similarities and differences of solar and lunar eclipses. The narrator shows the physical arrangement that...
Khan Academy
Khan Academy: Multi Digit Subtraction: 389,002 76,151
Subtract 389,002-76,151 using the standard algorithm.
Khan Academy
Khan Academy: Subtracting Decimals: 9.57 8.09
Sal subtracts 9.57-8.09 using 'standard algorithm'.
Khan Academy
Khan Academy: Subtracting Decimals: 10.1 3.93
Sal subtracts 10.1-3.93 using 'standard algorithm'.
Khan Academy
Khan Academy: Subtracting Decimals: 9.57 8.09
Demonstrates how to use the standard algorithm to subtract decimal numbers in the example of 9.57 - 8.09. [1:11]
Khan Academy
Khan Academy: Subtracting Decimals: 10.1 3.93
Demonstrates how to use the standard algorithm to subtract decimal numbers in the example of 10.1 - 3.93. [1:53]