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OO.1 Arrange in alphabetical order by the first letter

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What does it mean to arrange words in alphabetical order?

Alphabetical order means putting words in the same order as the letters of the alphabet: A to Z. This skill helps you find information quickly in dictionaries, glossaries, and indexes.

Examples:
  • apple, banana, cat, dog
  • fish, frog, gate, hat
Note

Always start with the first letter of each word. The word with the letter that comes earliest in the alphabet goes first.

How do we compare the first letters?

When arranging words, look at the first letter of each word. Put the words in the order that the alphabet lists those letters.

Example:
  • Words: zebra, ant, lion
  • Order by first letter: ant, lion, zebra
Note

Remember: A comes before L, and L comes before Z.

What if words start with the same letter?

If words have the same first letter, compare the second letter. Continue comparing letters until you find a difference.

Examples:
  • bat, bag → bag comes before bat (because “a” comes before “t”)
  • car, cat → car comes before cat (because “r” comes before “t”)
Note

Check letters one by one, moving left to right, until the words are in the correct order.

Why is alphabetical order important?

Alphabetical order is an important reference skill. It helps you use dictionaries, glossaries, word walls, and indexes to find meanings and information faster.

Examples of where we use it:
  • Finding a word in the dictionary
  • Looking up a topic in a book index
  • Organizing names in a class list
Note

When you know alphabetical order, you can find and organize information independently.

Practice tip for alphabetical order

Say the alphabet slowly and point to the letters as you compare words. This helps you check which letter comes first.

Practice Example:
  • Words: dog, apple, hat, fish
  • Alphabetical order: apple, dog, fish, hat
Note

Keep the alphabet chart nearby when you are learning. With practice, you will not need to look every time.