Amy Hackenberg from Indiana University discusses two articles from the Journal of Mathematical Behavior--"Middle school students at three stages of units coordination learn to make same speeds" (Vol. 72, 2023) and "Decentering to support responsive teaching for middle school students" (Vol. 77, 2025), both co-authored with Aydeniz-Temizer and Borowski.

• Amy's professional webpage: https://education.indiana.edu/about/directory/profiles/hackenberg-amy-j.html
• 2023 Student-Focused Article URL: https://doi.org/10.1016/j.jmathb.2023.101085 
• 2025 Teacher-Focused Article URL: https://doi.org/10.1016/j.jmathb.2024.101205

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