The use of alternative double number lines as models of ratio tasks and as models for ratio relations and scaling

The use of alternative double number lines as models of ratio tasks and as models for ratio relations and scaling

In this paper we draw on ICCAMS project materials that used the double number line (DNL) to develop secondary school students’ understanding of multiplicative reasoning. In particular, we look at the use of a DNL, and its alternative version, as a model of ratio tasks, as a model for developing an u...

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Bibliographic Details
Main Authors: Küchemann, Dietmar, Hodgen, Jeremy, Brown, Margaret
Format: Conference or Workshop Item
Published: 2014
Subjects:
Double number line
ratio
scaling
multiplicative reasoning
Online Access:https://eprints.nottingham.ac.uk/32202/

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