Class 4 Math: Tick Tick Tick Quick Revision Chapter Summary

Need to review the entire chapter before a test? This quick revision guide summarizes all the core concepts, topics, and equations taught in Class 4 Tick Tick Tick to help you refresh your memory instantly.

Core Topics At a Glance

### 📌 Analog clock minutes and hours Reading the exact time in minutes and hours on an analog clock face, understanding the relationship between the hands.

### 📌 AM/PM notation Splitting the 24-hour day into two 12-hour intervals: AM (Ante Meridiem) for morning hours and PM (Post Meridiem) for afternoon and evening hours.

### 📌 24-hour clock conversions Converting standard 12-hour times with AM/PM into 24-hour military format, and vice versa.

### 📌 Expiry dates on labels Reading manufacturing and expiry dates on packaging labels to calculate the shelf life or verify if a product is safe to use.

### 📌 Calculating age difference Using subtraction of years, months, and days to find the difference in age between two people or elapsed time since a birthdate.

Key Formulas Mind Map

• Hour Duration conversion: `t_{24} = t_{12} + 12 \text{ (for PM)}` - Converts PM hours to 24-hour scale....

Revision Checklist

1. Review the subtopic guides and outline notes.
2. Practice writing the key formulas from memory.
3. Solve at least 3 worked examples and check your steps.
4. Take a timed practice quiz to verify your speed.