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Long hundred

Long hundred is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Long hundred rather than just read about it. In short: The long hundred, also known as the great hundred or twelfty, is the number 120 that was referred to as hund, hund-teontig, hundrað, hundrath, or hundred in Germanic languages prior to the 15th century, and is now known as one hundred (and) twenty. The number was translated into Latin in Germanic-speaking countries as centum (Roman numeral C), but the qualifier long is now added because English now uses hundred excl…

Key takeaways

  • Long hundred belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Long hundred to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Long hundred from memory before moving on to harder problems.

Reference excerpt

The long hundred, also known as the great hundred or twelfty, is the number 120 that was referred to as hund, hund-teontig, hundrað, hundrath, or hundred in Germanic languages prior to the 15th century, and is now known as one hundred (and) twenty. The number was translated into Latin in Germanic-speaking countries as centum (Roman numeral C), but the qualifier long is now added because English now uses hundred exclusively to refer to the number 100 instead. The long thousand was reckoned decimally as 10 long hundreds (1200).

English unit The hundred (Latin: centena) was an English unit of measurement used in the production, sale and taxation of various items in the medieval kingdom of England. The value was often different from 100 units, mostly because of the continued medieval use of the Germanic long hundred of 120. The unit's use as a measure of weight is now described as a hundredweight, i.e. 112 pounds.

History The existence of a non-decimal base in the earliest traces of the Germanic languages is attested by the presence of glosses such as "tenty-wise" and "ten-count" to denote that certain numbers are to be understood as decimal. Such glosses would not be expected where decimal counting was usual. In the Gothic Bible, some marginalia glosses a five hundred (fimf hundram) in the text as being understood taihuntewjam ("tenty-wise"). Similar words are known in most other Germanic languages. Old Norse counted large numbers in twelves of tens, with its words "one hundred and eighty" (hundrað ok átta tigir) meaning 200, "two hundred" (tvau hundrað) meaning 240 and "thousand" (þúsund, Old English: þúsend) meaning 1200. The word to signify 100 (a "short hundred") was originally tíu tigir (lit. 'ten tens'). The use of the long hundred in medieval England and Scotland is documented by Stevenson and Goodare although the latter notes that it was sometimes avoided by using numbers such as "seven score". The Assize of Weights and Measures, one of England's statutes of uncertain date from c. 1300, shows both the short and long hundred in competing use. The hundred of kippers is formed by 120 fish and the hundred of hemp canvas and linen cloth is formed by 120 ells, but the hundred of pounds, to be used in measuring bulk goods, is 100, and the hundred of fresh herring is 100 fish. Within the original Latin text, the numeral c. is used for a value of 120: Et quodlibet c. continet vi. xx. ("And each such 'hundred' contains six twenties.") Once the short hundred began coming into use, Old Norse referred to the long hundred as hundrað tolf-roett (lit. 'duodecimal hundred'), as opposed to the short hundrað ti-rætt (lit. 'decimal hundred'). Measuring by long hundreds declined as Arabic numerals, which require the uniform base 10, spread throughout Europe during and after the 14th century. In modern times, J. R. R. Tolkien's use of the long hundred system within The Lord of the Rings helped popularize the word eleventy in modern English, primarily as a colloquial word for an indefinitely large number.

See also Hundredweight Short hundred Gross

References

External links

Hundred on sizes.com

Worked examples

Example 1 — a first encounter with Long hundred

Start with the simplest possible case. Write down what Long hundred claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Long hundred before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Long hundred ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Long hundred

In research
Long hundred appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Long hundred in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Long hundred is common in secondary-school and first-year university syllabi. It links to neighbouring topics English phrases, Imperial units, Numeral systems, so understanding it makes those chapters shorter.
In everyday life
Look for Long hundred outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Long hundred in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Long hundred means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Long hundred out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Long hundred in simple terms?

The long hundred, also known as the great hundred or twelfty, is the number 120 that was referred to as hund, hund-teontig, hundrað, hundrath, or hundred in Germanic languages prior to the 15th century, and is now known as one hundred (and) twenty. The number was translated into Latin in Germanic-s…

Why does Long hundred matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Long hundred?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Long hundred.

Tags

  • English phrases
  • Imperial units
  • Numeral systems
  • Units of amount

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