Punctuation

Writing and Reading

1. Fundamental Concepts

  • Definition: Punctuation marks are symbols used to clarify and separate sentences and their elements.
  • Common Symbols: Period (.), Comma (,), Semicolon (;), Colon (:), Question Mark (?), Exclamation Point (!)
  • Purpose: To ensure clarity, readability, and proper interpretation of written text.

2. Key Concepts

Basic Rule: $${\text{Period}} \cdot {\text{Used at the end of declarative sentences}}$$
Degree Preservation: The highest degree in the result matches input
Application: Used to combine expressions in physics/engineering

3. Examples

Example 1 (Basic)

Problem: Identify the correct punctuation for the sentence.

Step-by-Step Solution:

  1. Identify the type of sentence: Declarative, Interrogative, Imperative, or Exclamatory.
  2. Select the appropriate punctuation mark based on the sentence type.
Validation: Sentence: She is going to the store. Correct punctuation: She is going to the store.

Example 2 (Intermediate)

Problem: Apply the correct punctuation to the following sentence.

Step-by-Step Solution:

  1. Identify the sentence structure and purpose.
  2. Apply the appropriate punctuation rules.
        Incorrect: We will have a picnic today weather permitting        Correct: We will have a picnic today, weather permitting.      
Validation: Sentence: We will have a picnic today, weather permitting. Correct punctuation: We will have a picnic today, weather permitting.

4. Problem-Solving Techniques

  • Visual Strategy: Color-code terms by degree
  • Error-Proofing: Use vertical alignment for complex expressions
  • Concept Reinforcement: Apply LASSO rule: Look for Algebraic SSame Structures Only