# Mathematics Guides for JSS 3 Data Presentation and Measure of Central Tendency

**MATHEMATICS **

**THEME – DATA COLLECTION AND PRESENTATION **

**TOPIC – PIE CHART AND MEASURE OF CENTRAL TENDENCY **

**INSTRUCTIONAL MATERIALS**

1. Pie charts

2. Mathematical set

3. Data chart on activities

**LEARNING OBJECTIVES **

By the end of the lesson, students should be able to:

1. represent and interpret an information on pie charts.

2. review their previous work on mean, mode and median.

3. calculate the median of a given data.

4. find the mode of given data.

5. calculate the mean of any given data.

6. find the range of any given data.

7. apply measures of central tendency to analyze any given information.

**CONTENTS OF THE LESSON**

**FOCUS LESSONS **

1. Pie Charts

2. Meaning and uses of Mean, Median, Mode and Range

3. Find the mean, median, mode and range of data.

4. Application of measures of central tendency to analyze any given information.

**LESSON PRESENTATION**

TEACHER’S ACTIVITIES1. Leads students to represent and interpret data in pie charts.

2. Guides students to review the meaning of mean, median and mode of data.

3. Guides students to find the median of ungrouped data.

4. Guides students to find the mode of ungrouped data.

5. Leads students to calculate the means of a given data.

6. Leads students to find the range of any given data.

7. Leads students to analyze any given data using the measures of central tendency.

STUDENT’S ACTIVITIES1. Represent and interpret data in a pie chart.

2. Represent data on pie charts.

3. Review the meaning of mean, median and mode of data.

4. Find the median of ungrouped data.

5. Find the mode of ungrouped data.

6. Calculate the mean of a given data.

7. Find the range of any given data.

8. Analyze given data using the measures of central tendency.

**LESSON EVALUATION**

Students to,

1. represent data from his environment on a pie chart.

2. carryout review exercises on mean, mode and median.

3. find the median of a given set of data.

4. find the mode in any given data.

5. calculate the mean of any given data.

6. find the range of any given data.

7. use measure of central tendency to analyze any given data.