Maths+lesson


 * Day: ** 14 December 2010-12 January 2011

 **Subject:** Maths

 **Duration:** 2 hours + 2 hours

 **Topic:** Analysis of the chemical composition of mineral waters on the market

 **Materials and tools**: schematic for the board, Word and spreadsheet

 **Skills involved**: How to show graphic representations with the main deductions;  how to draw conclusions from the graphs produced.

 **Activities**: The teacher looks at the tables created in the previous lesson and makes sure the values entered are relevant. Then the tables are analyzed to take such considerations:

 Are there any substances with high concentrations? Is really there no soda water?  Then proceeds in phases: 1. Record the tables on spreadsheet <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;">2. <span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;">Each student chooses what produces graphical representations that best reveals the information acquired <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;">3. <span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;">Concluding remarks by each student

<span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;"> **Expected products**: histograms and graphs of various kinds

<span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;"> **Extracurricular activities**: observations derived from the graphs and their improvement

<span style="display: block; line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify; vertical-align: top;"> **<span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;">Note **<span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;">: several students have little knowledge about graphs in excel, so this step is requiring more time than expected, but more collaboration among the children that possess these skills may help to do the job.In fact they feel responsible cooperative, and interested in learning to use a software known only partially. <span style="display: block; line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify; vertical-align: top;"> <span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 0px; overflow: hidden;">﻿  <span style="display: block; line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify; vertical-align: top;"> <span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;">   <span style="display: block; line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify; vertical-align: top;"> <span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%;">   <span style="display: block; line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify; vertical-align: top;"> <span style="background: white; color: black; font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 0px; overflow: hidden;">