Representations as tools of appropriation, creating meaning through activities.

Based on some constructs of the Activity Theory (Leontiev, 1978), we point to the need to develop activities that reveal the meaning of representations. We examine use of representations in teaching and propose some suggestions. Shaaron Ainsworth (1999) asserted that, in order to learn from engaging with multiple representations of scientific concepts, students need to be able to (a) understand the codes and signifiers in a representation, (b) understand the links between the representation and the target concept or process, (c) translate key features of the concept across representations and (d) know which features to emphasize in designing their own representations.

Development of a Mathematical Model for the Calculation of the Tool Appropriation Delay depending on the Tool Inventory

Compliance with punctual delivery under the high pressure of costs can be implemented through the optimization of the in-house tool supply. Within the Transfer Project 13 of the Collaborative Research Centre 489 using the example of the forging industry, a mathematical model was developed which determines the minimum inventory of forging tools required for production, considering the tool appropriation delay.

Remarks upon the importance of an inquiry into the amount and appropriation of wages by the working classes, addressed to the Statistical Section of the British Association at its meeting in Liverpool, 13th September, 1837 ... /

Mode of access: Internet.

The acts of the Parliament of the commonwealth of Australia (except appropriation and supply acts) passed from 1901 to 1911, and in force on 1st January, 1912, to which is prefixed the Commonwealth of Australia constitution act (63 & 64 Vict. ch. 12) as altered to 1st January, 1912 : with tables and indexes

Paged continuously.

Treasury Department appropriation bill for 1948. Hearings before the subcommittee of the Committee on Appropriations, House of Representatives, Eightieth Congress, first session, on the Treasury Department appropriation bill for 1948 ...

Gordon Canfield, chairman of subcommittee.

Thoughts upon the lawfulness and expediency of church establishments : and suggestions for the appropriation of the Clergy Reserves in Upper Canada as far as respects and Church of England in a letter to C.A. Hagerman, Esq., M.P., solicitor general of Upper Canada /

Includes bibliographical references.