Publication Date
| In 2015 | 0 |
| Since 2014 | 0 |
| Since 2011 (last 5 years) | 0 |
| Since 2006 (last 10 years) | 1 |
| Since 1996 (last 20 years) | 2 |
Descriptor
| Arithmetic | 1 |
| Concept Formation | 1 |
| Foreign Countries | 1 |
| Grade 9 | 1 |
| Instructional Effectiveness | 1 |
| Intervals | 1 |
| Mathematical Concepts | 1 |
| Mathematics | 1 |
| Mathematics Instruction | 1 |
| Numbers | 1 |
| More ▼ | |
Source
| Cognition and Instruction | 2 |
Publication Type
| Journal Articles | 2 |
| Reports - Research | 2 |
Education Level
| Grade 9 | 2 |
| Grade 11 | 1 |
| Grade 7 | 1 |
| Secondary Education | 1 |
Audience
Showing all 2 results
Peer reviewed
Direct linkVamvakoussi, Xenia; Vosniadou, Stella – Cognition and Instruction, 2010
We present an empirical study that investigated seventh-, ninth-, and eleventh-grade students' understanding of the infinity of numbers in an interval. The participants (n = 549) were asked how many (i.e., a finite or infinite number of numbers) and what type of numbers (i.e., decimals, fractions, or any type) lie between two rational numbers. The…
Descriptors: Secondary School Students, Intervals, Numbers, Mathematics
Schwartz, Daniel L.; Martin, Taylor – Cognition and Instruction, 2004
Activities that promote student invention can appear inefficient, because students do not generate canonical solutions, and therefore the students may perform badly on standard assessments. Two studies on teaching descriptive statistics to 9th-grade students examined whether invention activities may prepare students to learn. Study 1 found that…
Descriptors: Teaching Methods, Grade 9, Statistics, Instructional Effectiveness
