Dear S1-04

I'll be back in school tomorrow (31 March, Saturday), from 10am to 12noon.

If you need face-to-face consultation for the preparation of the Level Test, you may send me a message at Facebook to inform me that you are coming to school.

When arrived, call "427" using the telephone outside the staff room.

Ms Loh

### 20120330 Tasks for Today

1. Formative Assessment: Real Numbers

Hardcopy - 20 minutes

No calculator is allowed

2. Formative Assessment: Approximation & Estimation

Via Ace Learning Portal - 15 minutes

No calculator is allowed

Remember to submit (i) Homework 2b (ii) Homework 3a

Hardcopy - 20 minutes

No calculator is allowed

2. Formative Assessment: Approximation & Estimation

Via Ace Learning Portal - 15 minutes

No calculator is allowed

Remember to submit (i) Homework 2b (ii) Homework 3a

### Formative Assessment & Level Test

Dear Students

As communicated during the lesson this week:

(I) Formative Assessment

The purpose is for you to assess your readiness and identify gaps in learning

As communicated during the lesson this week:

(I) Formative Assessment

The purpose is for you to assess your readiness and identify gaps in learning

- Chapter 2: Real numbers
- No calculator is allowed
- 30 March 2012 (Friday)

- Level Test 2: next Tuesday
- Topics tested: (1) Chap 1 Factors and Multiples (2) Chap 2 Real Numbers (3) Chap 3 Approximation & Estimation (4) Chap 16 Data Handling
- Note: Chap 16 Data Handling - AceLearning #1 Introduction to #6 Frequency tables

### eLearning Lesson 1 Activity 1 Task 2 PONDER @ Maths Blog

The ESSENTIAL UNDERSTANDING for this activity is

In this task, you are to ponder...

Among the 4 graphs (Line Graph, Bar Graphs, Pictograms, Pie Charts), one of the graphs that is NOT appropriate to represent the information?

- Can you identify the one that is not appropriate?

- Why do you think it's not appropriate?

- What makes you think the 3 remaining graphs are appropriate?

With reference to the feedback provided in your postings, are you able to answer to the above questions?

The following have not attempted this activity. Please post your response in a separate post (as required in the eLearning lesson instructions):

[1] ACHUTHA D/O KARUPPIAH

[10] CHIAM CHUEN

[15] LIAW XIAO TAO

[16] LIM ZHONGZHI

**different graphical representations serve different purposes**. From the 'characteristics' of the graphs, we should be able to identify the kind of information we can draw out from each type of graphs.In this task, you are to ponder...

Among the 4 graphs (Line Graph, Bar Graphs, Pictograms, Pie Charts), one of the graphs that is NOT appropriate to represent the information?

- Can you identify the one that is not appropriate?

- Why do you think it's not appropriate?

- What makes you think the 3 remaining graphs are appropriate?

With reference to the feedback provided in your postings, are you able to answer to the above questions?

The following have not attempted this activity. Please post your response in a separate post (as required in the eLearning lesson instructions):

[1] ACHUTHA D/O KARUPPIAH

[10] CHIAM CHUEN

[15] LIAW XIAO TAO

[16] LIM ZHONGZHI

### eLearning Lesson 1 Task 1: Choice of Graphs

I chose this graph for the variables on the x-axis are all different, thus the increase and drop in the line is not a drop in the number of one variable, but instead, it shows the difference between all the variables.

Chiam Chuen S1-04 (10)

Sorry Ms Loh, for submitting this late as I could not find this task previously.

### eLearning Lesson 1 Task 1: Choice of Graphs

I feel that the line graph is inappropriate as it shows the trend over a period of time but not the number of places which are sunny, windy, cloudy, etc.

The other graphs are appropriate as they show the number of places which are sunny, windy, cloudy, etc.

*Sorry for submitting this late as I had forgotten about this part.

The other graphs are appropriate as they show the number of places which are sunny, windy, cloudy, etc.

*Sorry for submitting this late as I had forgotten about this part.

### eLearning Lesson 1 Activity 2 Representation of Data using Statistical Diagrams

(extracted from GoogleSite)

Those who have not handed in, the deadline has been extended to

You may check the status of submission at GoogleSite > Mathematics > Class Page

In the TWO tasks, you were to analyse data presented and use spreadsheet (e.g. Numbers, GoogleSpreadsheet, MS Excel) to compute data and generate charts.

The files are provided in 3 formats (PDF, MS EXCEL and GoogleSpreadsheet).

You may choose to use any type where appropriate and present your answers in a shared GoogleDocument.

Here are resources to those who need help to plot the charts:

- iWork - Numbers

- Numbers '09: Creating a chart from table data

- Create a chart or graph using GoogleSpreadsheet

- Youtube clip 1: Numbers '09 - Create and Edit Charts

- Youtube clip 2: Creating Charts in iWork 09 Numbers (MacMost Now 460)

Those who have not handed in, the deadline has been extended to

**Thursday (29 March 2012).**You may check the status of submission at GoogleSite > Mathematics > Class Page

### Performance Task (eLearning Lesson 2) Group 2 (Compass Point)

The situation at the taxi stand was quite good, but at times, there were many taxis but no people at the stand.

### eLearning Lesson 1 Task 1: Choice of Graphs

I believe that the line graph is inappropriate as it is usually used to represent changes over time.

### E leaning points to ponder

The pie graph is not accurate as it does not show the exact values plus some numbers are rounded off therefore it is inaccurate.

### eLearning Lesson 1 Task 1: Choice of Graphs

I think the pie charts is inappropriate because by showing that the sunny weather is 360 degrees. It only show that there is no other weathers. It does not show how many sunny weathers are there.

### eLearning Lesson 1 Task 1: Choice of Graphs

### eLearning Lesson 1 Task 1: Choice of Graphs

### eLearning Lesson 1 Task 1: Choice of Graphs

The pie chart is not appropriate to use for the weather as it doesn't tell the exact number of countries that are having a certain weather but it rounds off the number.

### eLearning Lesson 1 Task 1 : Choice of Graphs

### eLearning Lesson 1 Task 1:choice of graphs

I think that the line graph is inappropriate as it does not do a comparison between the different weathers.

### eLearning Lesson 1 Task 1: Choice of Graphs

I think that the line graph is inappropriate in this situation as a line graphs are used to represent one factor over a certain period of time . However this graph is used to represent different factors.

### eLearning Lesson 1 Task 1: Choice of Graphs

I feel that line graphs are not appropriate for showing weather in different countries due to the fact that line graphs are meant to show changes over time. This graph ends up not using the line which is the most important part of this type of graph. I feel that a pie chart would be much more effective though

### E-Learning Task 1-The Choice Of Graphs

Hi Everyone, I Chose this because that this is rounded off, so it does not give an exact amount.

Goh Qian Zhe

Goh Qian Zhe

### elearning Lesson Task 1: Choice of graphs

I chose the pie chart as they stated they rounded up the numbers, so it might be inaccurate. It is also hard to calculate the individual types of weather

### E-learning lesson 1 task 1 --- choice of graphs

### Getting to know MacRitchie Treetop walk

Exact:1st in Singapore. 2 Highest points. Opening Hours.

Approximated:Walk distance/Walk time. Height of walk. Length of walk.

### Getting to know Jurong Bird Park

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