{"id":"https://openalex.org/W2012911745","doi":"https://doi.org/10.1007/bf00417195","title":"The number line as a teaching aid","display_name":"The number line as a teaching aid","publication_year":1985,"publication_date":"1985-11-01","ids":{"openalex":"https://openalex.org/W2012911745","doi":"https://doi.org/10.1007/bf00417195","mag":"2012911745"},"language":"en","primary_location":{"id":"doi:10.1007/bf00417195","doi":"https://doi.org/10.1007/bf00417195","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf00417195","pdf_url":null,"source":{"id":"https://openalex.org/S119483640","display_name":"Educational Studies in Mathematics","issn_l":"0013-1954","issn":["0013-1954","1573-0816"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","erih-plus","jufo-3","ki-jl-1","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Educational Studies in Mathematics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5053468107","display_name":"Paul Ernest","orcid":"https://orcid.org/0000-0001-7985-2852","observed_orcids":["https://orcid.org/0000-0001-7985-2852"]},"institutions":[{"id":"https://openalex.org/I23923803","display_name":"University of Exeter","ror":"https://ror.org/03yghzc09","country_code":"GB","type":"education","lineage":["https://openalex.org/I23923803"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Paul Ernest","raw_affiliation_strings":["School of Education, University of Exeter, St. Luke's, EX1 2LU, Exeter, U.K","School of Education, University of Exeter, Exeter, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Education, University of Exeter, St. Luke's, EX1 2LU, Exeter, U.K","institution_ids":["https://openalex.org/I23923803"]},{"raw_affiliation_string":"School of Education, University of Exeter, Exeter, U.K","institution_ids":["https://openalex.org/I23923803"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5053468107"],"corresponding_institution_ids":["https://openalex.org/I23923803"],"apc_list":{"value":3390,"currency":"USD","value_usd":3390},"apc_paid":null,"fwci":2.5825,"has_fulltext":false,"cited_by_count":45,"citation_normalized_percentile":{"value":0.89487354,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"16","issue":"4","first_page":"411","last_page":"424"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10130","display_name":"Mathematics Education and Teaching Techniques","score":0.9394999742507935,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10130","display_name":"Mathematics Education and Teaching Techniques","score":0.9394999742507935,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11345","display_name":"Cognitive and developmental aspects of mathematical skills","score":0.03060000017285347,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12522","display_name":"Mathematics Education and Pedagogy","score":0.027000000700354576,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/number-line","display_name":"number line","score":0.8830000162124634},{"id":"https://openalex.org/keywords/children-s-mathematical-understanding","display_name":"children's mathematical understanding","score":0.4690000116825104},{"id":"https://openalex.org/keywords/diagnostic-assessment","display_name":"diagnostic assessment","score":0.6349999904632568},{"id":"https://openalex.org/keywords/achievement-tests","display_name":"achievement tests","score":0.7490000128746033},{"id":"https://openalex.org/keywords/national-assessment-of-educational-progress","display_name":"National Assessment of Educational Progress","score":0.7940000295639038},{"id":"https://openalex.org/keywords/mathematics-teaching-aids","display_name":"mathematics teaching aids","score":0.7609999775886536}],"concepts":[{"id":"https://openalex.org/C83817169","wikidata":"https://www.wikidata.org/wiki/Q35689","display_name":"Number line","level":2,"score":0.8076491951942444},{"id":"https://openalex.org/C68060419","wikidata":"https://www.wikidata.org/wiki/Q40754","display_name":"Subtraction","level":2,"score":0.7470937371253967},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.6800186634063721},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.5968102216720581},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.5097405314445496},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.37238842248916626},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.3721018433570862},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.3577044606208801},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf00417195","doi":"https://doi.org/10.1007/bf00417195","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf00417195","pdf_url":null,"source":{"id":"https://openalex.org/S119483640","display_name":"Educational Studies in Mathematics","issn_l":"0013-1954","issn":["0013-1954","1573-0816"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","erih-plus","jufo-3","ki-jl-1","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Educational Studies in Mathematics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.6164000034332275,"display_name":"Quality education"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W283356536","https://openalex.org/W611537226","https://openalex.org/W623457109","https://openalex.org/W653883596","https://openalex.org/W1517088367","https://openalex.org/W1529439388","https://openalex.org/W1604259969","https://openalex.org/W2014092403","https://openalex.org/W2049691627","https://openalex.org/W2991704236","https://openalex.org/W3173820790"],"related_works":["https://openalex.org/W2624833344","https://openalex.org/W2561200186","https://openalex.org/W4246634114","https://openalex.org/W4378878902","https://openalex.org/W1584292134","https://openalex.org/W109434155","https://openalex.org/W4321786251","https://openalex.org/W2482823037","https://openalex.org/W2019932025","https://openalex.org/W3017586927"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}