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Direct linkTaylor Lesner; Marah Sutherland; Cayla Lussier; Ben Clarke – Intervention in School and Clinic, 2024
Building proficiency with fraction arithmetic poses a consistent challenge for students with learning difficulties or disabilities in mathematics. This article illustrates how teachers can use the number line model to support struggling learners in making sense of fraction arithmetic. Number lines are a powerful tool that can be used to help…
Descriptors: Number Concepts, Fractions, Arithmetic, Mathematics Skills
Cayla Lussier; Ben Clarke; Derek Kosty; Geovanna Rodriguez; Kathleen Scalise; Christian T. Doabler; Jessica Turtura – Grantee Submission, 2025
Evidenced-based mathematics interventions are critical for supporting students with mathematics difficulties. In research and practice, collecting implementation fidelity is important for ensuring that all the core components of the intervention are implemented as designed. Historically, implementation fidelity has been defined as multi-faceted…
Descriptors: Fidelity, Mathematics Instruction, Evidence Based Practice, Learning Problems
Cayla Lussier; Ben Clarke; Derek Kosty; Geovanna Rodriguez; Kathleen Scalise; Christian Doabler; Jessica Turtura – Journal of Learning Disabilities, 2025
Evidenced-based mathematics interventions are critical for supporting students with mathematics difficulties. In research and practice, collecting implementation fidelity is important for ensuring that all the core components of the intervention are implemented as designed. Historically, implementation fidelity has been defined as multifaceted,…
Descriptors: Fidelity, Mathematics Instruction, Evidence Based Practice, Learning Problems
Download full textChristian T. Doabler; Ben Clarke; Derek Kosty; Evangeline Kurtz-Nelson; Hank Fien; Keith Smolkowski; Scott K. Baker – Grantee Submission, 2019
Group size and treatment intensity are understudied topics in mathematics intervention research. This study examined whether the treatment intensity and overall intervention effects of an empirically-validated Tier 2 mathematics intervention varied between intervention groups with 2:1 and 5:1 student-teacher ratios. Student practice opportunities…
Descriptors: Intervention, Program Effectiveness, Mathematics Instruction, Learning Problems
