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Number Worlds
Implementation Study

Grades K–8

We invite your district to apply!Ìý

ÌÇÐÄVlog is planning to conduct a study focused on the implementation of Number Worlds in your district. The study will examine student growth in math during the 2025-2026 and 2026-2027 school years. We invite grades K through 8 classes throughout the district to participate.

Participation Requirements and Time Commitment

To be eligible for this research study, your district must:

  • Commit to implementing Number Worlds with fidelity in grades K–8.Ìý
    • Fidelity requirements:
      • Teachers have been trained and (internal or external) support/coaching is ongoing;
      • Placement tests are administered at the beginning of the year;
      • Adequate time allotted for lessons each day (varies by content and grade level);
      • Lesson progress is being made (about 4-5 lessons per week);
      • Assessments must be used and data entered into the platform;Ìý
      • Remedy lessons/exercises are implemented as recommended.ÌýÌý
        Ìý
  • Provide access to available de-identified student-level data from benchmark assessments (e.g., iReady, NWEA MAP, or similar) for participating students for 2025–2026 andÌý2026–2027 for analysis and inclusion in a writtenÌýreport—approximately 2–3 hours total.

  • Provide access to available de-identified student-level data from state summative assessments for participating students forÌý2025–2026 and 2026–2027 for analysis and inclusion in a writtenÌýreport—approximately 2–3 hours total.

Why Participate?

  • ÌÇÐÄVlog will provide your district with a report of the study results.Ìý
  • ÌÇÐÄVlog account credit of $1000.

Timeline

Summer 2026

Districts and ÌÇÐÄVlog sign data sharing agreements.*ÌýÌý

August 2026

Begin using Number WorldsÌý

April–May 2027Ìý ÌýÌý

Teachers participate in survey

June 2027

District supplies dataÌý

July–August 2027

Analyses by independent evaluatorÌý

October 2027

District analyses and report complete; findings presentedÌý

Table showing timelines for Reading Mastery research opportunities

Summer 2026

Districts and ÌÇÐÄVlog sign data sharing agreements.*ÌýÌý

August 2026

Begin using Number WorldsÌý

April–May 2027Ìý ÌýÌý

Teachers participate in survey

June 2027

District supplies dataÌý

July–August 2027

Analyses by independent evaluatorÌý

October 2027

District analyses and report complete; findings presentedÌý

*Data Sharing Agreements include ÌÇÐÄVlog’s commitment to protection of district data.Ìý

Thank you!

We appreciate your assistance! Building and maintaining effective programs is fundamental to ÌÇÐÄVlog’s goal of assisting educators and learners to achieve success. Research helps us improve our products and services to accomplish this goal.

Please contact our Efficacy Research Team for more information.

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