“…CMR is reasoning based on creativity, the ability to produce original and meaningful work (Prain & Tytler, 2022;Sukirwan et al, 2018). There are four characteristics of CMR, namely 1) novelty, referring to new facts, namely the sequence of reasoning is created or recreated, 2) flexibility, meaning the ability to use different approaches and adaptations to certain problems, 3) plausibility, meaning that there are arguments that support the strategy selected and explain why the collection of conclusions is correct or reasonable, 4) a mathematical basis is built based on deep mathematical characteristics Ferguson, 2022). As research produces an eco-cognitive model, the Model for Analysing Digital Mathematics Teaching Material is based on a base layer, relational layer, process layer, and logical layer (Bergvall & Dyrvold, 2021;Magnani, 2015Magnani, , 2016.…”