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Percentages and indices

tipo de documento Mathematics - Teaching sequence

Equipo Didactalia

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Percentages and indices

Worksheet overview

Description:

In this unit we shall look at the area of percentages and see how to use them in different exercises. We shall also look at examples of how percentages are used in the world around us such as Value Added Tax (VAT), simple interest and the Retail Price Index (RPI).

Teaching orientation:

PRIOR KNOWLEDGEThe contents are explained in the previous and the next courses.

KNOWLEDGE TYPE: metacognitive

LEARNING OBJECTIVESTo know how to use percentages in everyday situations. To know what VAT is an how to work it out. To know how to work out the simple interest on a loan or investment. To know what RPI is and how to work it out.

License:

creative commons: attribution - non commercial - share alike

License description:

The use of the following contents is universal, free of charge and open, provided that it is for non-commercial educative use. The actions, products and utilities derived from its use may therefore not generate any profit. Moreover, a reference to the source is required.

End user:

Context:

schoolmate

General

Language:

english

KeyWords: percentages simple interest VAT RPI Retail Price Index Value Added Tax

Scope: universal

Structure:

linear

Agregation level:

Teaching Sequence

Collection: Descartes

Node:

INTEF

agrega.educacion.es

Repository URL: /repositorio/23072010/18/es_2010072363_9204729

IMS Manifest Download file

Technique

Format:

image/gif

text/html

Requirement type:

browser

Requirement name:

any

Requirement type:

operating system

Requirement name:

multi-os

Installation considerations:

Installation is not required

Other platform requirements:

Install and enable the Java interpreter and Plug-in of the Applet Descartes on local

Educational use

Educational learning resource type:

real or virtual learning environment

Interaction type:

active

Interaction level:

high

Semantic density:

low

Age: 13 years

Difficulty:

easy

Learning time: 3 teaching units

Educational language:

english

Cognitive process:

contextualize

implement

solve

simulate

Rights

License cost:

Access type:

universal

Access description:

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