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Long and Short

✨ The centimeter rule

Long and short describe the extent of something from one end to another, usually along a particular dimension. An object is long when its measured length is greater than that of another object used for comparison, while a short object has a smaller length. A long piece of rope extends farther from one end to the other than a short piece of the same type.

Length can be measured in units such as millimetres, centimetres, metres, or kilometres. The word long can also describe periods of time, such as a long wait, while short can describe a brief period. The meaning depends on what is being measured or compared. An object may be long in one direction but not in another, so describing its length clearly sometimes requires specifying the dimension being considered.

Many things can be compared by length, including pencils, roads, ribbons, animals, and distances. Two objects can have the same length even if they differ in shape, thickness, or material. A curved object may also have a long path from one end to the other even though it does not form a straight line. In mathematics and science, length is a measurable quantity, which means that it can be expressed using a number and a unit.

For young learners, placing two similar objects side by side with their ends aligned makes comparison easier: the one extending farther is longer, while the other is shorter. It is important to compare the same type of measurement and use the same starting point. Long and short are relative descriptions, so an object that seems long compared with one item may be short compared with another.

💡 Did you know?

Did you know that there is a bridge so 'long' that you can't see the other end when you start crossing it? The Danyang-Kunshan Bridge in China is over 164 kilometers long! Conversely, the world's 'shortest' international bridge is only 10 meters long and connects two small islands between Canada and the United States.

Why do some pencils become so 'short'? By sharpening them to have a very sharp point, we remove a little wood each time. In the end, the pencil is so small that it is difficult to hold. It's proof that you've worked well and drawn a lot!

Did you know that your ears and nose never stop growing? They get 'longer' and 'longer' throughout your life. Fortunately, this happens very slowly, otherwise we would all look like Pinocchio with a huge nose!