Mathematics and Indonesian Language

9th Grade-1st Semester

Statistics and Probability

3. Do the processing and presentation of data

3.1 Determine mean, median, and modus of single data and its interpretation

3.2 Present data in tables, bar charts, line charts, and circle charts

Speaking

2. Express thoughts, feelings, and information in the formof comments and reports.

2.2 Report events verbally with clear sentences.

Introduction

Number and formulas, that is what people think about mathematics.  Though mathematics is not only about that. Mathematics can be combined and applied with other subjects, especially Indonesian language. Now, you will learn the connection between Mathematics and Indonesian Language!

Task

First, You will need to review a topic about statisctis such as mean, median, modus, bar diagram, line diagram, and circle  diagram. Second, you will demonstrate your understanding about it by completing the worksheet. Third, you will do collecting data in your class with your group. Then, each group should complete and processing the data that have collected. Last, each group are asked to present their work in the class.

Process

Part 1 : Review and extend your knowledge

Be sure to read all directions before you click the links

1.       Browse our lesson about statistic on moodle

2.       Review about determining mean, media, and modus of single data

3.       Review about bar diagram, line diagram, and circle diagram

4.       Complete our worksheet individually (online excersises), find it on the moodle.

5.       Send this individual worksheet that you have completed into our moodle.

6.       Browse our lesson about good presentation and speaking on moodle

Part 2 : Collecting Data

You will be group to do collecting data. Your group should gather data in your class.

1.       You will be group of 5 to do collecting data

2.       Please check your email to know about your group.

3.       Each group should gather the data from your class.

4.       Ask your classmate about the data as shown below :

a.       Size of shoes (Group 1)

b.      Height of body (Group 2)

c.       Weight of body (Group 3)

d.      Total member of family (Group 4)

e.      Studying hours per day (Group 5)

f.        Pocket money per day (Group 6)

Part 3 : Apply your knowledge

In this part, each group are asked to process the data that have gathered.

1.       After doing mini research and gather the data, each group should determine mean, median and modus of the data.

2.       Present your data on bar diagram, line diagram and circle diagram

3.       Make your presentation about your data, mean, median, modus, bar diagram, line diagram, and circle diagram in power point.

4.       After you make power point, each group will present their work in the class

Evaluation

1.       Have your classmate to check you individual worksheet

2.       Check the answer on the moodle (PDF), it will be given or posted after all of you have posted the individual worksheet .

3.       You will have presentation about your work that you have done in your class.

4.       Every member in your group should have their part to present their work.

5.       Teacher will give the feedback.

Conclusion

Congratulation! You have learned about statistics, especially mean, median, modus bar diagram, line diagram and circle diagram. You did collecting data in your class! You present and explain  your work in the class by doing presentation.

Rubric for presentation

Presentation Rubric
	1	2	3	4	Total
Organization	Audience cannot understand presentation because there is no sequence of information.	Audience has difficulty following presentation because student jumps around.	Student presents information in logical sequence which audience can follow.	Student presents information in logical, interesting sequence which audience can follow.
Subject Knowledge	Student does not have grasp of information; student cannot answer questions about subject	Student is uncomfortable with information and is able to answer only rudimentary questions, but fails to elaborate.	Student is at ease and answers most questions with explanations and some elaboration.	Student demonstrates full knowledge (more than required) by answering all class questions with explanations and elaboration.
Visual Aids	Student uses superfluous visual aids or no visual aids.	Student occasionally uses visual aids that rarely support the presentation.	Student's visual aids relate to the presentation.	Student's visual aids explain and reinforce the presentation.
Mechanics	Student's presentation has four or more spelling errors and/or grammatical errors.	Presentation has three misspellings and/or grammatical errors.	Presentation has no more than two misspellings and/or grammatical errors.	Presentation has no misspellings or grammatical errors.
Eye Contact	Student makes no eye contact and only reads from notes.	Student occasionally uses eye contact, but still reads mostly from notes.	Student maintains eye contact most of the time but frequently returns to notes.	Student maintains eye contact with audience, seldom returning to notes.
Verbal Techniques	Student mumbles, incorrectly pronounces terms, and speaks too quietly for audience in the back of class to hear.	Student's voice is low. Student incorrectly pronounces terms. Audience members have difficulty hearing presentation.	Student's voice is clear. Student pronounces most words correctly. Most audience members can hear presentation	Student uses a clear voice and correct, precise pronunciation of terms so that all audience members can hear presentation.
Group Work	Cannot work with others in most situations.  Cannot share decisions or responsibilities.	Works with others, but has difficulty sharing decisions and responsibilities.	Works well with others.  Takes part in most decisions and shares in the responsibilities.	Works very well with others.  Assumes a clear role in decision making and responsibilities.
Total
A=  26-28	B=  24-25	C=  21-23	D=  19-20	E=  0-18

 Created by :

Wirmandi Pamungkas

Imam Choirul Rifa'i

Iis Roshita