In this video, the teacher demonstrates how to add three to four 2-digit numbers vertically by using the strategy of making 10s. Review real-world examples that emphasize the commutative property of addition.

In this video, students learn about the transformations of sinusoidal functions by shifting their graphs horizontally and vertically. They explore how changing the values of K and H in the equations of sine and cosine functions affect...

In this video, the teacher explains how to find the volume of an irregular 3D solid by recognizing that volume is additive. They demonstrate this concept by breaking down the solid into two rectangular prisms and finding the volume of each.

In this video, I explain how to use Gibbs phase rule in relation to phase diagrams; also, I work 5 examples of Gibbs phase rule.

In this video lesson, students learn how to add two two-digit numbers vertically by breaking the numbers into 10s. The teacher explains the concept of decomposing and clarifies common misunderstandings about the order of addends.

Why do mirrors appear to flip images horizontally but not vertically?

Learn all about ellipses for conic sections. We will discuss all the essential definitions such as center, foci, vertices, co-vertices, major axis and minor axis. We will also discuss the essential processes such as how to graph and...

Lines and Angles part 1/2: This video is a lesson on the basics of lines and angles. The teacher explains the different types of angles, how they are formed, and their properties. The lesson also covers parallel lines and transversals,...

The melting of Earth's polar ice is incrementally warping the planet’s crust both vertically and horizontally.

An Egyptian priest explains what hieroglyphics are, who reads and writes and how the pictures were carved into stone as well as written on papyrus.

This video explains how to find the distance between two points on a plane without using a measuring tool. It introduces the Pythagorean theorem and demonstrates how to create a right triangle using the given points. By applying the...

In this video, students will learn how to subtract mixed fractions with unlike denominators. The teacher explains the concept of regrouping and demonstrates different regrouping methods.

Cheddar's Hope King looks back at her first trip to the Consumer Electronics Show in Las Vegas.

For day 4 of the Paris Air show, we’re in the heart of the Air Lab, a place quite literally packed to the rafters with all manner of cutting edge gadgets. You can try out our first gizmo virtually but it could be a reality...

For day 4 of the Paris Air show, we’re in the heart of the Air Lab, a place quite literally packed to the rafters with all manner of cutting edge gadgets. You can try out our first gizmo virtually but it could be a reality...

English/Mute

The U-S planned to use a modified C-130 Hercules transport aircraft to rescue the 53 U-S hostages being held in Iran in 1980, according to a leading defence maga
zine.
Jane's...

HEADLINE: Officials: Icing suspect in NY air crash

CAPTION: A former National Transportation Safety Board investigator told the AP significant ice buildup on the wings and windshield may have caused the deadly commuter...

This report looks at the British Hawker Harrier vertical take-off jet and assesses its capabilities and its role in Western European defence.

1. Harrier grap
hic.
2. Harrier hovering over carrier flig
ht deck. ...