Real-world examples of probability with spinners for kids

📚 Quick Study Guide

🔢 Probability Basics: Probability is the chance of something happening. It's often written as a fraction, like $\frac{1}{2}$. ⚖️ Equal Outcomes: When each section on a spinner has an equal chance of being landed on. 📊 Calculating Probability: Probability = $\frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}$ 🕹️ Spinners: Spinners are circular tools divided into sections. Spinning them helps demonstrate probability. ➕ Adding Probabilities: If you want to find the probability of multiple events, you sometimes need to add individual probabilities together.

🕹️ Practice Quiz

1. What is the probability of landing on a section labeled "3" on a spinner with 4 equal sections labeled 1, 2, 3, and 4?
   1. $\frac{1}{2}$
   2. $\frac{1}{3}$
   3. $\frac{1}{4}$
   4. $\frac{3}{4}$
2. A spinner has 6 equal sections: 2 are blue, 1 is red, and 3 are green. What is the probability of landing on green?
   1. $\frac{1}{6}$
   2. $\frac{1}{2}$
   3. $\frac{1}{3}$
   4. $\frac{2}{3}$
3. If you spin a spinner with 5 equal sections (labeled 1-5) twice, what is the probability of landing on '1' both times? (Assume each spin is independent)
   1. $\frac{2}{5}$
   2. $\frac{1}{10}$
   3. $\frac{1}{25}$
   4. $\frac{1}{5}$
4. A spinner has 8 equal sections. 3 are yellow, 2 are orange, and 3 are purple. What is the probability of NOT landing on yellow?
   1. $\frac{3}{8}$
   2. $\frac{5}{8}$
   3. $\frac{1}{2}$
   4. $\frac{1}{4}$
5. You have a spinner with 10 equal sections, numbered 1 to 10. What is the probability of landing on an even number?
   1. $\frac{1}{10}$
   2. $\frac{1}{2}$
   3. $\frac{3}{5}$
   4. $\frac{1}{5}$
6. A spinner is divided into three sections: red (50%), blue (30%), and green (20%). What is the probability of landing on either red or blue?
   1. 20%
   2. 30%
   3. 50%
   4. 80%
7. A biased spinner is more likely to land on red (60% chance). Blue and green have equal probabilities. What is the probability of landing on green?
   1. 60%
   2. 40%
   3. 20%
   4. 30%