Presentations

MoCTM 2025 – Columbia, MO

  • Otten, S., Banjo, O., de Araujo, Z., & Candela, A. G. (2025, December). Small but powerful instructional strategies: When 2 is better than 1. Presentation at the fall conference of the Missouri Council of Teachers of Mathematics, Columbia, MO. [Slides]

AMTE Virtual Institute 2025 – Lightning Talk

  • Banjo, O., Otten, S., de Araujo, Z., & Candela, A. G. (2025, November). Nudging mathematics teacher education toward a radically modest approach. Presentation at the Association of Mathematics Teacher Educators Virtual Institute.

PME-NA 2025 – State College, PA

  • Banjo, O., Otten, S., de Araujo, Z., & Candela, A. G. (2025, October). Analyzing algebra lessons: Explicit foci, moderate connections, and rare rationales. Poster presented at the 47th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, State College, PA. [Poster]
  • Wambua, M., Stewart, M. N., Otten, S., de Araujo, Z., & Candela, A. G. (2025, October). Algebra 1 teachers’ classroom circulation patterns: A lay of the land. Presentation at the 47th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, State College, PA. [Slides]

NCTM 2025 – Atlanta, GA

  • Otten, S., Candela, A. G., & de Araujo, Z. (2025, October). Beyond memorization: Rewriting common formulas to reveal mathematical structure. Presentation at the annual meeting of the National Council of Teachers of Mathematics, Atlanta, GA. [Slides]
  • de Araujo, Z., Candela, A. G., & Otten, S. (2025, October). How design and format shape teachers’ engagement with instructional nudges. Presentation at the annual meeting of the National Council of Teachers of Mathematics, Atlanta, GA. [Slides forthcoming]

NCSM 2025 – Atlanta, GA

  • Otten, S., Candela, A. G., & de Araujo, Z. (2025, October). Selecting instructional nudges for teachers as a form of coaching. Presentation at the 57th annual conference of the National Council of Supervisors of Mathematics, Atlanta, GA. [Slides]

NCTE/NCTM 2025 – Chicago, IL

  • Otten, S., de Araujo, Z., & Candela, A. G. (2025, June). Instructional moves that nudge literacy into your math block. Presentation at the NCTE and NCTM joint conference for Elementary Literacy and Mathematics, Chicago, IL. [Slides]
  • From our related project on Math Language Routines – de Araujo, Z., Otten, S., & Candela, A. G. (2025, June). Nudging the Math Language Routines. Presentation at the NCTE and NCTM joint conference for Elementary Literacy and Mathematics, Chicago, IL. [Slides]

UAMTE 2025 – Price, UT

  • Otten, S., de Araujo, Z., & Candela, A. (2025, March). The case for a radically modest approach to mathematics teacher professional development. Keynote presentation at the annual conference of the Utah Association of Mathematics Teacher Educators. Price, UT. [Slides]

Missouri DESE 2025 – Jefferson City, MO

  • Otten, S., Menges, E., Madsen, D., de Araujo, Z., & Candela, A. (2025, March). Practice-Driven PD: Small changes for a big impact in math. Presentation at the Department of Elementary and Secondary Education content meeting for mathematics teachers, Jefferson City, MO. [Slides]

NCTM Spring 2025 – Kansas City, MO

  • Stewart, M. N., Otten, S., de Araujo, Z., & Candela, A. (2025, February). Nudging toward wrong answers. Presentation at the Spring Conference of the National Council of Teachers of Mathematics, Kansas City, MO. [Slides]
  • Otten, S., de Araujo, Z., & Candela, A. (2025, February). Enhancing repetition: Problem reversals and rewritten formulas that reveal structure. Presentation at the Spring Conference of the National Council of Teachers of Mathematics, Kansas City, MO. [Slides]

AMTE 2025 – Reno, NV

  • Candela, A., de Araujo, Z., & Otten, S. (2025, February). Nudging instructional practices in secondary mathematics: What suggestions are teachers taking up? Presentation at the annual conference of the Association of Mathematics Teacher Educators, Reno, NV.

MoCTM 2024 – Columbia, MO

  • Baah, F., Otten, S., Wonsavage, F. P., de Araujo, Z., & Candela, A. (2024, December). Math class moments students enjoy. Presentation at the fall conference of the Missouri Council of Teachers of Mathematics, Columbia, MO.
  • Otten, S., Stewart, M., & Candela, A. (2024, December). Nudging tasks to boost engagement. Presentation at the fall conference of the Missouri Council of Teachers of Mathematics, Columbia, MO.

Missouri DESE 2024 – Columbia, MO

  • Otten, S., & McGillicuddy, A. (2024, November). Small changes for a big impact on mathematical communication and engagement. Presentation at the Department of Elementary and Secondary Education content meeting for mathematics teachers, Columbia, MO. [Slides]

PME-NA 2024 – Cleveland, OH

  • de Araujo, Z., Wonsavage, F. P., Candela, A G., Otten, S., Baah, F., & Wambua, M. M. (2024, November). Understanding teachers’ uptake of instructional nudges. Poster presented at the 46th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, Cleveland, OH. [PDF]
  • Stewart, M., Wonsavage, F. P., Wambua, M. M., de Araujo, Z., Candela, A. G., & Otten, S. (2024, November). Teacher’s typical lesson format and the uptake of instructional suggestions. Poster presented at the 46th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, Cleveland, OH.
  • Wonsavage, F. P., Stewart, M., Candela, A. G., Otten, S., de Araujo, Z., & Baah, F. (2024, November). Impact of teachers’ perceptions on instructional nudge uptake. Poster presented at the 46th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, Cleveland, OH.
A conference poster session with Amber Candela and Zandra de Araujo talking to scholars at the left poster and Maria Stewart talking to a scholar at the right poster.

NCTM 2024 – Chicago, IL

  • Candela, A., Stewart, M. N., Wonsavage, F. P., de Araujo, Z., & Otten, S. (2024, September). Practical changes to capture student brilliance. Presentation at the annual meeting of the National Council of Teachers of Mathematics, Chicago, IL.
  • Otten, S., Baah, F., Candela, A. G., de Araujo, Z., & Wambua, M. N. (2024, September). Super Wrong, Kinda Right: Learning to be creatively incorrect. Presentation at the annual meeting of the National Council of Teacher of Mathematics, Chicago, IL. [Slides]
  • Wambua, M., Stewart, M., Otten, S., Candela, A., de Araujo, Z., Wonsavage, F. P., & Baah, F. (2024, September). Instructional nudges as enhancements to algebra tasks and teacher practice. Presentation at the research conference of the National Council of Teachers of Mathematics, Chicago, IL. [Slides]
A picture of a conference center with a large set of letters spelling NCTM on a pink carpet, with balloons on each side.

Missouri Elementary Math Learning Network 2024 – Columbia, MO

  • Otten, S., de Araujo, Z., & Candela, A. G. (2024, August). Nudging instruction for student engagement: Modest moves with real results. Presentation at the Missouri Elementary Math Learning Network conference, Columbia, MO. [Slides]
Sam Otten, a white middle-aged man of average build with a bald head, smiles next to a presentation screen that displays the title "Nudging instruction for student engagement."
A conference room with rows of tables filled with teachers.

Benedictine College Colloquium Series 2024 – Atchison, KS

  • Otten, S., de Araujo, Z., & Candela, A. G. (2024, April). Nudging mathematics instruction in productive directions: Small ideas for meaningful change. Presentation in the Mathematics and Computer Science colloquium series at Benedictine College, Atchison, KS.

AMTE 2024 – Orlando, FL

  • Otten, S., Stewart, M. N., Wambua, M. M., Wonsavage, F. P., Vahle, C., Candela, A., & de Araujo, Z. (2024, February). Comparing one-page documents, social posts, and videos as delivery formats for instructional nudges. Presentation at the annual conference of the Association of Mathematics Teacher Educators, Orlando, FL. [AMTE Shared Folder]
  • Candela, A., Baah, F., Wonsavage, F. P., de Araujo, Z., & Otten, S. (2024, February). Nudging teachers and tasks to enhance students’ mathematical engagement and understanding. Presentation at the annual conference of the Association of Mathematics Teacher Educators, Orlando, FL. [AMTE Shared Folder]

MoCTM 2023 – Columbia, MO

  • Baah, F., Candela, A., Otten, S., & de Araujo, Z. (2023, December). Instructional strategies to initiate students’ thinking. Presentation at the fall conference of the Missouri Council of Teachers of Mathematics, Columbia, MO. [Slides]
  • Candela, A., de Araujo, Z., & Otten, S. (2023, December). Nudging toward student engagement. Presentation at the fall conference of the Missouri Council of Teachers of Mathematics, Columbia, MO.
  • Stewart, M., Otten, S., Candela, A., & de Araujo, Z. (2023, December). Where are they at? Making sense of student progress. Presentation at the fall conference of the Missouri Council of Teachers of Mathematics, Columbia, MO. [Slides]
  • Wambua, M., de Araujo, Z., Candela, A. & Otten, S. (2023, December). Using worked examples and classroom resources to support student engagement and autonomy. Presentation at the fall conference of the Missouri Council of Teachers of Mathematics, Columbia, MO.

NCCTM 2023 – Winston-Salem, NC

  • Wonsavage, F.P. (2023). Searching for hidden gems. Presentation at the annual meeting of the North Carolina Council of Teachers of Mathematics, Winston-Salem, NC.

AMTE 2023 – New Orleans, LA

  • Candela, A. G., de Araujo, Z., Wonsavage F. P., & Wambua, M. M. (2023, February) High uptake practices: What are they and how might they change the professional development landscape? Presented at the Association of Mathematics Teachers Annual Meeting in New Orleans, LA.
  • de Araujo, Z. De Leon Alejandro, J. D., Wonsavage F. P., Candela, A. G., & Stewart, M. N. (2023, February). Rethinking professional development to align with teachers’ realities during (and after) the COVID-19 pandemic. Presented at the Association of Mathematics Teachers Annual Meeting in New Orleans, LA.

PME-NA 2022 – Nashville, TN

  • de Araujo, Z., Wambua, M. M., Wonsavage, F. P., Otten, S., & Candela, A. G. (November, 2022). Conceptualizing high uptake practices. Poster presented at the 44th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, Nashville, TN. [PDF]
  • Candela, A. G., Wonsavage, F. P., de Araujo, Z., & Otten, S., (2022). Rethinking Classroom Data Collection. Poster presented at the 44th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, Nashville, TN. [PDF]