Real-World Examples of Absolute Value for Kids

📚 Quick Study Guide

• 📏 Absolute value represents the distance of a number from zero on the number line.
• ➕ The absolute value of a positive number is the number itself. For example, $|5| = 5$.
• ➖ The absolute value of a negative number is its positive counterpart. For example, $|-3| = 3$.
• 0️⃣ The absolute value of zero is zero. $|0| = 0$.
• 🧭 Absolute value is always non-negative.
• 📍It is denoted by two vertical bars around the number: $|x|$.
• ➗ Absolute value is used in many real-world applications, like calculating distances, errors, and tolerances.

Practice Quiz

1. What is the absolute value of -7?
   1. -7
   2. 0
   3. 7
   4. 14
2. A submarine is 200 feet below sea level. Represent its depth as an absolute value.
   1. -200
   2. 200
   3. 0
   4. 400
3. What is the absolute value of 0?
   1. 1
   2. -1
   3. 0
   4. Undefined
4. The temperature changed by -5 degrees Celsius overnight. What's the absolute value of the temperature change?
   1. -5
   2. 5
   3. 0
   4. 10
5. What is $|-15 + 5|$?
   1. -20
   2. 10
   3. -10
   4. 20
6. A hiker walks 3 miles east and then 3 miles west. What's the absolute value of their total displacement from the starting point, assuming East is positive and West is negative?
   1. 6
   2. -6
   3. 0
   4. 9
7. What is the value of $ | - \frac{1}{2} | $?
   1. $\frac{1}{2}$
   2. $-\frac{1}{2}$
   3. $2$
   4. $-2$