Publication Date
| In 2025 | 0 |
| Since 2024 | 0 |
| Since 2021 (last 5 years) | 2 |
| Since 2016 (last 10 years) | 3 |
| Since 2006 (last 20 years) | 3 |
Descriptor
Source
| Developmental Psychology | 3 |
Author
| Ansari, Daniel | 3 |
| De Jesus, Stefanie | 2 |
| Bugden, Stephanie | 1 |
| Cheung, Pierina | 1 |
| Lau, Nathan T. T. | 1 |
| Lyons, Ian M. | 1 |
| Merkley, Rebecca | 1 |
| Tremblay, Paul | 1 |
| Zhang, Samuel | 1 |
| Zheng, Samuel | 1 |
Publication Type
| Journal Articles | 3 |
| Reports - Research | 3 |
Education Level
| Kindergarten | 2 |
| Early Childhood Education | 1 |
| Elementary Education | 1 |
| Grade 1 | 1 |
| Primary Education | 1 |
Audience
Location
| Canada | 2 |
| Canada (Toronto) | 1 |
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Cracking the Code of Place Value: The Relationship between "Place" and "Value" Takes Years to Master
Peer reviewed
Direct linkCheung, Pierina; Ansari, Daniel – Developmental Psychology, 2021
"Place value," which underlies the meanings of multidigits, encompasses the principle of position and base-10 rules. To understand 65, one needs to know that the digits 6 and 5 occupy different positions and thus represent ordered values of different magnitudes (i.e., the "principle of position") and that the value of each…
Descriptors: Number Concepts, Children, Child Development, Age Differences
Lau, Nathan T. T.; Merkley, Rebecca; Tremblay, Paul; Zhang, Samuel; De Jesus, Stefanie; Ansari, Daniel – Developmental Psychology, 2021
Research has shown that two different, though related, ways of representing magnitude play foundational roles in the development of numerical and mathematical skills: a nonverbal approximate number system and an exact symbolic number system. While there have been numerous studies suggesting that the two systems are important predictors of math…
Descriptors: Kindergarten, Symbols (Mathematics), Mathematics Instruction, Predictor Variables
Lyons, Ian M.; Bugden, Stephanie; Zheng, Samuel; De Jesus, Stefanie; Ansari, Daniel – Developmental Psychology, 2018
There is currently considerable discussion about the relative influences of evolutionary and cultural factors in the development of early numerical skills. In particular, there has been substantial debate and study of the relationship between approximate, nonverbal (approximate magnitude system [AMS]) and exact, symbolic (symbolic number system…
Descriptors: Number Systems, Symbols (Mathematics), Kindergarten, Young Children
