Whakataukī | Proverb
"Nāu te rourou, nāku te rourou, ka ora ai te iwi"
With your food basket and my food basket, the people will thrive.
Like sharing kai to feed our whānau, pie charts help us see how the whole is divided into parts. Each slice represents a contribution to the bigger picture - together they form the complete circle of data, just as many hands working together create abundance for all.
🥧 Pie Chart Analysis & Percentages
📋 Level 4 Achievement Objectives:
- Understand percentages as parts of 100
- Read and interpret pie charts showing proportional data
- Calculate percentages from fractions and decimals
- Compare proportions between different categories
- Convert between fractions, decimals, and percentages
🚌 Chart 1: How Mangakōtukutuku College Students Get to School
1. What fraction of students walk to school? (Simplest form)
2. If there are 200 students at our school, how many come by car?
3. What percentage of students use a vehicle (car or bus)?
📚 Chart 2: Year 8 Students' Favorite Subjects (150 students surveyed)
1. How many students chose PE & Sport as their favorite? (Show working)
2. Art and Science have the same percentage. How many students is this in total?
3. What percentage of students chose either Maths or Social Studies?
⚽ Chart 3: How Year 7-8 Students Spend Weekend Time (80 students)
1. Express "Sports/Exercise" as a simplified fraction.
2. How many more students exercise than do creative activities?
3. If you combined "Sports" and "Creative Activities", what percentage would that be?
🌟 Level 4-5 Extension Challenge
Design Your Own Survey: Create a pie chart showing data about our class. Choose a topic (favorite foods, hobbies, sports teams, etc.).
My survey question:
Number of students surveyed: _______
Results (convert to percentages):
Draw your pie chart here (use a compass or trace a circle)