

University of Iowa, Ph.D. Mathematics Education, July 2005
University of Iowa, B.S. Mathematics, B.S. Computer Science, May 2001
Professor, Department of Mathematics, 2016present
Associate professor, Department of Mathematics, 20112016
Assistant professor, Department of Mathematics, 20052011
Project collaborator for CorePlus Mathematics Project, Curriculum & Instruction, 20032005
Research assistant for Harold L Schoen, Curriculum and Instruction, 20032005
Research assistant for Margaret Smith, Curriculum and Instruction, 20022003
Education Technology Center, 20022005
Department of Mathematics
Mathematics tutor, Iowa Biosciences Advantage, 19992000
Sales associate, Krause Gentle Corp., Iowa City, IA, 20012002
Parttime clerk extra, QuikTrip Corp., Iowa City, IA, 19942000
[under review] Wendt, A., Hemenway, A. , Gustafson, M., Gustafson, M., Baker, D., Mestnik, T., Ellair, D., Bear, B., Hiller, J., Taylor, L., & Hlas, C.S. (2024?). Designing and using mathematical problems. Wisconsin Teacher of Mathematics
[accepted] Hlas, A.C. & Hlas, C.S. (2024?). The creative abilities of preservice world language educators. Foreign Language Annals. doi.org/
[accepted] Hlas, A.C., Julson, J. & Hlas, C.S. (2024). Assessing creativity in the language classroom with the consensual assessment technique. Creativity Research Journal. doi.org/10.1080/10400419.2024.2311482
[reprint] Hlas, A.C., Nadolny, J., Hlas, C.S., (2023). Investigating creativity in online K12 world language classrooms (Chapter 95). In M. KhosrowPour (Ed.), Research Anthology on Remote Teaching and Learning and the Future of Online Education (pp. 18861910). IGI Global. doi.org/10.4018/9781668475409.ch095
Hlas, A.C., Nadolny, J., Hlas, C.S., (2021). Investigating creativity in online K12 world language classrooms. In J.Wl LeLoup & P. Swanson (Eds.), Effective Online Language Teaching in a Disruptive Environment. IGI Global.
Junko, E.M., Jensen, K.M., Brooks, N.A., Bliss, C.L., Bonlender, A.K., Nugent, P., Stevens, J.C., Witkowski, B.A., Ricci, M.A., Spear, S.S., Hlas, C.S., Serros, S. (2015 Fall). Making the most of mathematical modeling. Wisconsin Teacher of Mathematics, 68, 1217.
Cardone, T. (with contributor Hlas, C.S.). (2015, October). Nix the Tricks. Last accessed from https://nixthetricks.com/index.html
Harkey, A. (2015). January Guest Interview – Professor Chris Hlas. Games Precipice.
Hlas, C.S., Robach, C., K., Firori, M., & Spear, S.S. (2014 Fall). Examining formative assessment. Wisconsin Teacher of Mathematics, 66, 2327.
Hlas, C.S., Urness, K., Sims, K., Ricci, R., Alger, L. (2013 Fall). Understanding conceptual understanding. Wisconsin Teacher of Mathematics, 65, 47.
Hlas, C.S., Alger, L., Petersen, D., Baranek, J., Urness, K., Grancorvitz, L., & Hahn, M. (2012 Fall). What, why and how: A Teacher's guide to building on prior knowledge. Wisconsin Teacher of Mathematics, 64, 911.
Hlas, A.C., & Hlas, C.S. (2012). A review of highleverage teaching practices: Making connections between mathematics and foreign languages. Foreign Language Annals, 45 (S1), s76s97.
Schoen, H.L., Ziebarth, S.W., Hirsch, C.R., & BrckaLorenz, A. (with Hlas, C.S., & Thompson, K.C.) (2010). A 5year study of the first edition of the CorePlus Mathematics Curriculum. Charlotte, NC: Information Age.
Matthews, M., Hlas, C.S., & Finken, T. (2009 March). Using fourcolumn lesson planning and Lesson Study with preservice teachers. Mathematics Teacher, 102, 504508.
[in preparation] Hlas, C.S. (2024 May). Exploding dice: Expected value for dice that can reroll. Presentation at the Wisconsin Mathematics Council's 2024 Annual Conference, Green Lake, WI.
Hlas, C.S. (2021 May). Deductive and inductive reasoning using popular tabletop games. Presentation at the Wisconsin Mathematics Council's 2021 Virtual Annual Conference, Green Lake, WI.
Hlas, C.S. (2019 March). GeoGebra introduction. Workshop presentation for Sonia Kovalevsky High School and Middle School Mathematics Day, Eau Claire, WI.
Hlas, C.S., Parks, M., & Vazquez, L. (2018 May). Formative assessment probes: A website tool for formative assessment. Presentation at the Wisconsin Mathematics Council's 50th Annual Green Lake Conference, Green Lake, WI.
Hlas, C.S., Harrison, R., Parks, M., & Vazquez, L. (2017 May). Using formative feedback probes and interview questions to inform instruction. Presentation at the Wisconsin Mathematics Council's 49th Annual Green Lake Conference, Green Lake, WI.
Hlas, C.S. (2017 March). Mathematical puzzles. Workshop presentation for Sonia Kovalevsky High School and Middle School Mathematics Day, Eau Claire, WI.
Hlas, C.S. (2017 March). Crafting mathematical puzzles. Workshop presentation for Sonia Kovalevsky High School and Middle School Mathematics Day, Eau Claire, WI.
Hlas, C.S. (2016 May). College and career ready mathematics: The case for rational functions. Presentation the Wisconsin Mathematics Council's 48th Annual Green Lake Conference, Green Lake, WI.
Hlas, C.S. (2015 November). College and career ready mathematics: The case for rational functions. Presentation the National Council of Teachers of Mathematics' 2015 Regional Conference and Exposition, Minneapolis, MN.
Hlas, C.S. (2015 March). Pascal's triangle. Workshop presentation for Sonia Kovalevsky High School and Middle School Mathematics Day, Eau Claire, WI. [interactive website]
Hlas, C.S. (2015 March). Math puzzles. Workshop presentation for Sonia Kovalevsky High School and Middle School Mathematics Day, Eau Claire, WI.
Hlas, C.S. (2014 May). Puzzles, puzzles, puzzles. Presentation at the Wisconsin Mathematics Council's 46th Annual Green Lake Conference, Green Lake, WI. [handouts: 1, 2, 3]
Hlas, C.S. (2013 April). Gameful education: Using game mechanics to promote student engagement. Presentation at the Wisconsin Title I Association Conference, Wisconsin Dells, WI.
Hlas, C.S. (2012 May). Gaming the classroom: Using game mechanics to promote student engagement. Presentation at the Wisconsin Mathematics Council's 44th Annual Green Lake Conference, Green Lake, WI.
Hlas, C.S. (2011 May). Lessons learned from using 4column lesson planning with preservice teachers. Presentation at the Wisconsin Mathematics Council's 43rd Annual Green Lake Conference, Green Lake, WI.
Parks. M., Masarik, D.K., & Hlas, C.S. (2011 April). Building connections through Lesson Study. Presentation at the National Council of Teachers of Mathematics's 2010 Annual Meeting and Exposition, Indianapolis, IN.
Hlas, C.S. (2010 November). Questioning for learning mathematics. Guest lecture for CARE Center, UWEau Claire.
Hlas, C.S. (2010 May). Lessons learned from using "Lesson Study" with preservice teachers. Presentation at the Wisconsin Mathematics Council's 42nd Annual Green Lake Conference, Green Lake, WI.
Hlas, C.S. (2010 May). Student reports during MapleTA electronic homework. Presentation at the Wisconsin Mathematics Council's 42nd Annual Green Lake Conference, Green Lake, WI.
Hlas, C.S. (2010 May). Building connections through Lesson Study. Presentation at the Wisconsin Mathematics Council's 42nd Annual Green Lake Conference, Green Lake, WI. [handout]
Hlas, C.S. (2009 October). What does 'optimal learning' look like in the mathematics class? Presentation for the Faculty/Academic Staff Forum, UWEau Claire.
Hlas, C.S. (2007 September). Reporting results. Workshop presentation for SoTL in Mathematics: Moving from Anecdotes to Analysis, UWEau Claire. [handout]
Hlas, C.S., Morin, J., Loomis, L., Astrup, J., Rettke, M., & Thompson, J. (2007 May). Language Demands of the Mathematics Classroom: A Discussion of the MZone Project. Presentation at the Wisconsin Mathematics Council's 39th Annual Green Lake Conference, Green Lake, WI.
Hlas, C.S. (2006 May). Free Internet software for the mathematics classroom. Presentation at the Wisconsin Mathematics Council's 38th Annual Green Lake Conference, Green Lake, WI.
Hlas, C.S. (2005 June). Student engagement within CPMP classrooms: An example of research on reform. Workshop presentation for LEADERSinMathematics, Iowa City, IA.
Hlas, C.S. (2005 Spring). Students' perceptions of mathematics tasks. Colloquium presentation at IndianaPurdue University, Fort Wayne, Fort Wayne, IN.
Hlas, C.S. (2005 March). Software in mathematics education.Guest lecture at Mesa State College, Grand Junction, CO.
Hlas, C.S. (2005 March). Student engagement of mathematics at secondary and college levels. Colloquium at Northern Illinois University, DeKalb, IL.
Finken, T. M., Matthews, M.E., Hlas, C.S., & Schmidt, J.S. (2004 April). Integrating Lesson Study for preservice teachers and inservice teachers. Presentation at the 82nd Annual Meeting of the National Council of Teachers of Mathematics, Philadelphia, PA.
Faris, K. (2022). Curriculum development of Math 114: Calculus. Poster at the 31st annual student research day, CERCA  Celebration of Excellence in Research and Creative Activity.
Pancratz, C. (2017). Stress and time management in high school students. Presentation at the 26th annual student research day, CERCA  Celebration of Excellence in Research and Creative Activity.
Bowe, M. (2013). Selfdetermination and Flow theories and mathematics homework. Presentation at the 22nd annual Department of Mathematics Math Retreat.
Paukner, L.D. (2013). Deliberate practice in mathematics. Poster at the 21st annual student research day, CERCA  Celebration of Excellence in Research and Creative Activity.
Bowe, M. (2013). Selfdetermination and Flow theories applied to mathematics homework. Poster at the 21st annual student research day, CERCA  Celebration of Excellence in Research and Creative Activity.
Hlas, C.S., & Bowe, M.L. (2012 May). Effects of homework choices on student achievement and motivation. Presentation at the Wisconsin Mathematics Council's 44th Annual Green Lake Conference, Green Lake, WI.
Paukner, L. (2012 May). Deliberate practice. Presentation during the 21th annual Department of Mathematics Math Retreat.
Bowe, M.L. (2012 May). Selfdetermination theory, flow theory, and mathematical homework. Presentation during the 21th annual Department of Mathematics Math Retreat.
Hlas, A.C. & Hlas, C.S. (2012). A review of highleverage teaching practices: Making connections between mathematics and foreign languages. Poster at the 2012 Authors Celebration, UWEau Claire Office of Research and Sponsored Programs, Eau Claire, WI.
Cypher, R., & Hlas, C. (2010 April). Student reports of affective variables while completing electronic homework (MapleTA). Poster at the 18th Annual University of WisconsinEau Claire Student Research Day.
Hlas, C.S. (2010 October). Using fourcolumn lesson planning and Lesson Study with preservice teachers. Poster at the 5th Annual Authors Celebration, UWEau Claire Office of Research and Sponsored Programs, Eau Claire, WI.
Cypher, R. (2010 April). Student reports of affective variables while completing electronic homework (MapleTA). Presentation during the 19th annual Department of Mathematics Math Retreat.
Lefeber, M., & Hlas, C. (2009 April). Comparison of instructional materials for solving a complex task: The Rubik's cube. Poster at the 17th Annual University of WisconsinEau Claire Student Research Day. [Blugold Fellow]
Hlas, C., & Frie, M. (2008 May). Using Flow Theory to inform homework decisions. Presentation at the Wisconsin Mathematics Council's 40th Annual Green Lake Conference, Green Lake, WI.
Frie, M., & Hlas, C. (2008 April). Achieving flow in mathematics. Poster at the 16th Annual University of WisconsinEau Claire Student Research Day.
Hlas, A.C. & Hlas, C.S. Creative Profiles of Language PreService Teachers. ACTFL Research Priorities Grant. 20222023. $3,800
Hlas, C.S. (PI). A^3—Assess, Analyze, and Address. ESEA Title II, Part B – Mathematics and Science Partnerships, 20142017. $593,897.
Parks, M., & Masarik, D.K. (PIs). Building Connections Across the K12 Mathematics Curriculum through Lesson Study. Wisconsin ESEA Title II Improving Teacher Quality Program, 20092011.
[Mathematics / Mathematics education consultant]
Morin, J. (PI). MZone: Enhancing teachers of mathematics' ability to accommodate students with languagebased learning disabilities. Wisconsin ESEA Title II Improving Teaching Quality Grant, Summer 2006. [Mathematics education consultant]
Hlas, C.S. (PI). Curriculum development of Math 303: Probability and Statistical Thinking. University of WisconsinEau Claire Student Blugold Commitment Fund through the CETL Summer SoTL Grant Program, Summer 2021May 2022. $4,723.
Hlas, C.S. (PI). Influences of Story Telling Contexts on 2nd Grade Students' Early Algebra Ability and Potential Shifts in Mindsets. University of WisconsinEau Claire Summer Research Experiences for Undergraduates Program, Summer 2019. $3,300.
Hlas, C.S. (PI). Exploring motivation of high school mathematics homework: Data analysis. University of WisconsinEau Claire Faculty/Student Research Collaboration Grants Program, AY 201213. $2,500.
Hlas, C.S. (PI). Exploring Motivation of High School Mathematics Students using Novel Techniques: Research Design. University of WisconsinEau Claire Summer Research Experiences for Undergraduates Program, Summer 2010. $3,840.
Hlas, C.S. (PI). Assessing Flow in MapleTA and Calculus I. University of WisconsinEau Claire Faculty/Student Research Collaboration Differential Tuition Program, AY 200910. $1,450.
Hlas, C.S. (PI). Assessing Flow in MapleTA: Item design. University of WisconsinEau Claire Summer Research Experiences for Undergraduates Program, Summer 2009. $3,800.
Hlas, C.S. (PI). Achieving Flow in Mathematics: Pilot Study in College Classrooms. University of WisconsinEau Claire Faculty/Student Research Collaboration Differential Tuition Grants Program, 20072008. $1,610.
Hlas, C.S. (PI). Achieving Flow in Mathematics: Pilot Study. University of WisconsinEau Claire Summer Research Experiences for Undergraduates, Summer 2007. $3,390.
Wisconsin Mathematics Council (2006present)
National Council of Teachers of Mathematics (20012022)
American Educational Research Association (20042010)
Department Personnel Committee, Department of Mathematics (2011  present)
Teacher Education Strategic Planning Council, College of Education and Human Sciences (201014)
Recruitment committee, Department of Mathematics
Cluster search committee, College of Education and Human Sciences (201011)
Chair of Mathematics Education Committee, Department of Mathematics (2006present)
High School Mathematics Meet, Department of Mathematics (2006present)
AP Calculus Reader, Education Testing Services (2006present)
Awards committee, Department of Mathematics (200609, 201012)
Webmaster, Department of Mathematics (20062012)
Portfolio reviewer for MCEA program, College of Education and Human Sciences (20062008)
A&S Technology Advisory Committee, College of Arts and Sciences (2006)
Wisconsin Mathematics Content Guidelines work group, Wisconsin Department of Public Instruction (Spring 2013)
Iowa Mathematics Network Project, Iowa Department of Education (Spring 2004)
Annual mathematics tournament, Mathematics Department, University of Iowa (20002004)
Tutor for academic decathlon team , Thomas Jefferson High School, Cedar Rapids, IA (19961998)
CARE: Concern for Adults Returning to Education (2015)
American Council on the Teaching of Foreign Languages Research Priority Grant (2010)
One of our favorite professors, UWEC Towers North Resident Hall (2007)
Outstanding teaching assistant award, University of Iowa (2004)
Honors commendation, University of Iowa (2001)
University of Iowa scholarship (19961999)
Eva M. Byerly scholarship (1996)
State of Iowa scholarship (1996)
Second highest cumulative point total, Iowa Academic Decathlon State Competition (1996)