Mohamed Bassiouni, Sophia Marie Häußler, Manuel Christoph Ketterer, Agnieszka J Szczepek, Jana Vater, Lynn Hildebrandt, Moritz Gröschel, Heidi Olze
[Prospective comparative analysis of cochlear implant patients with single-sided deafness and asymmetric hearing loss with regard to health-related quality of life, tinnitus distress and psychological comorbidities]
HNO
place value underlies meanings multidigits encompasses principle position base10 rules understand 65 one needs know digits 6 5 occupy different positions thus represent ordered values different magnitudes ie principle position value position determined base10 rules ie rightmost position 100 followed 101 102 etc without principle position children cannot construct meanings multidigits previous studies shown children know exact value digit positions early elementary school years less known acquisition positional knowledge multidigits study children construct relationship position value explore children begin know leftmost digit represents largest value whether knowledge relates learning number names children ages 4 7 years primarily caucasian middleclass families asked compare different pairs multidigits comparisons eg 12 vs 21 required knowledge positional property eg 35 vs 36 found group 6yearold children could recruit positional knowledge compare multidigits also found children knew number names multidigits comparison pair chance multidigit comparison results shed light developmental steps toward acquiring placevalue notation highlight role learning number names learning positional property placevalue notation psycinfo database record c 2021 apa rights reserved