# Learning activities/School Census

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## Notes from Nigeria 5/07

They were really shy about it, but finally they explained what they were doing. And then all the Primary 5 children helped us do the counting.
Everything was recorded directly on the XO. We went back and, together with them, counted the boys and girls in Primary 6.
File:Graph3.jpg
It took a long time for some, but those who finished faster helped the others.

"Wednesday was for Primary 6... [The teacher] chose to do math. The topic was graphs. He introduced the concept of ‘population’ to the children, asking them if they knew what it meant. We listened to different answers. Then he explained that the objective of the day was to know the population of Galadima School and how they could represent it with graphs. He went on to explain bar graphs. Afterwards, with my suggestion, we split into 5 teams, and each one had to go to a classroom and count the number of boys and the number of girls in it. My team had to go to Primary 5. The children asked the classroom teacher for permission to count the students because it was part of their class work. When we came back, [the teacher] explained with lots of details how to graph the Galadima School population. Children didn't wait until he explained the whole thing. They were already in Paint making the graph. They wanted to be accurate, so they tried and tried... and tried and tried... until one of them came up with a way to do it easier or faster. Then they shared the trick with the others... but then someone else came up with a way of doing it more accurately and passed it on to the others... Everybody was really into their work or helping others..." --Carla Gomez Monroy, Learning Consultant, OLPC

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## Activity: School Census

Count the number of students in your class; then, make a graph to display your results.

### Subjects and Skills

Math: Counting, graphing, understanding data and statistics.

Arts: Understanding visual displays of information, creating graphs with Draw

Technology: Using Draw to make graphs.

### Goals and Objectives

Understanding the concept of population.

Understanding the concept of bar graphs.

Practicing counting skills.

Teamwork.

### Resources

• Pencil and paper

### Activity

1. Introduce concept of population, using example of class as population.
2. Explain how to represent population with a bar graph.
3. Split into groups of four-

### Extended Activities

#### Family Census

For your group: Count number of girls count number of boys each group will collect the following data on each member

```   number of people in the house
age groups (1-5, 6-10etc)
number of boys, girls
US born/Non US born
```

Make the following graphs: family size, number of children, number of girls, and number of boys.

Create class data and new graphs for the entire classes data

How does the actual size, sex and ages of your family compare to the averages of the class?

#### Pie and Bar Charts

1. Use the data to create both Pie and Bar charts for all the data. Each chart should include the class data.