Arranging Words in Dictionary Order: Step-by-Step Guide

The question asks us to arrange a given set of words in the order they would appear in a standard English dictionary. This process involves comparing the words letter by letter from left to right.

Understanding Dictionary Ordering

Dictionary order, also known as alphabetical order, follows these rules:

• Words are sorted based on their first letter. 'A' comes before 'B', 'B' before 'C', and so on.
• If the first letters are the same, the words are compared based on their second letter.
• This process continues, comparing the third letter, fourth letter, and so on, until a difference is found.
• If one word runs out of letters and is a prefix of another word (e.g., "apple" and "applepie"), the shorter word comes first.

Applying Dictionary Order to the Given Words

Let's list the given words with their corresponding numbers:

1. Delta
2. Delicious
3. Depend
4. Daffodil
5. Demography

Now, let's compare them letter by letter:

1. Compare the first letter: All words begin with 'D'. So, we move to the second letter.
2. Compare the second letter: The second letters are:
   • Delta: 'e'
   • Delicious: 'e'
   • Depend: 'e'
   • Daffodil: 'a'
   • Demography: 'e'
   The letter 'a' comes before 'e' in the alphabet. Therefore, 'Daffodil' comes first. The sequence starts with 4.
3. Compare the remaining words (Delta, Delicious, Depend, Demography): All start with 'De'. Let's compare the third letter:
   • Delta: 'l'
   • Delicious: 'l'
   • Depend: 'p'
   • Demography: 'm'
   Comparing 'l', 'p', and 'm', the alphabetical order is 'l', then 'm', then 'p'.
   • Words starting with 'Del': Delta, Delicious
   • Word starting with 'Dem': Demography
   • Word starting with 'Dep': Depend
4. Compare words starting with 'Del' (Delta, Delicious): Both start with 'Del'. Let's compare the fourth letter:
   • Delta: 't'
   • Delicious: 'i'
   The letter 'i' comes before 't' in the alphabet. So, 'Delicious' comes before 'Delta'. The order is Delicious (2), then Delta (1).
5. Compare 'Demography' and 'Depend': Their third letters were 'm' and 'p'. 'm' comes before 'p'. So, 'Demography' comes before 'Depend'. The order is Demography (5), then Depend (3).
6. Combine the ordered groups:
   1. Daffodil (4) - starts with 'Da'
   2. Delicious (2) - starts with 'De', third letter 'l', fourth letter 'i'
   3. Delta (1) - starts with 'De', third letter 'l', fourth letter 't'
   4. Demography (5) - starts with 'De', third letter 'm'
   5. Depend (3) - starts with 'De', third letter 'p'

The final alphabetical sequence of the words is: Daffodil, Delicious, Delta, Demography, Depend.

Mapping this back to the original numbers (1. Delta, 2. Delicious, 3. Depend, 4. Daffodil, 5. Demography), the order of the numbers is 4, 2, 1, 5, 3.

The sequence of numbers corresponding to the dictionary order is 4, 2, 1, 5, 3.

Revision Table: Key Concepts for Dictionary Order

Additional Information: Improving Vocabulary and Ordering Skills

Understanding how to arrange words alphabetically is a fundamental skill useful for using dictionaries, indexes, phone books, and sorting data. Regularly practicing word arrangement exercises can help improve your vocabulary and logical reasoning skills.

• Using a Dictionary: Dictionary order is essential for quickly finding words and their meanings, spellings, pronunciations, and origins.
• Organizing Information: Alphabetical order is a common method for organizing lists of names, topics, or files, making them easy to search and retrieve.
• Vocabulary Building: While ordering words, you often encounter new words. Looking them up in a dictionary helps expand your vocabulary.

Practice with different sets of words, including those with similar spellings or prefixes, to master the rules of dictionary ordering.