IM 360 Testlet → Lesson Demo

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Prototype · New Meridian
IM

From Upcoming Instruction to Targeted Support · ProgressGuide × IM 360

Demo prototype · Assessment-only integration with AccessIM
Prototype
Demo control panel · pick a student
As of February 19, 2026 · School year 2025–26
Student Progress Report
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Use case — From Upcoming Instruction to Targeted Support

Using the Knowledge Graph and the empirical datasets contributed by New Meridian, the system supports a sequence of linked actions. The same four-step workflow operates at two levels: as a whole-class planning tool (Tier 1) and as a personalized recommendation engine (Tier 2).

STEP 1
Identify upcoming learning targets
The standards and learning components associated with an upcoming IM v.360 module or instructional unit.
STEP 2
Determine which targets are likely most challenging
Apply New Meridian's empirically derived mastery thresholds to the upcoming standards / LCs.
STEP 3
Identify critical precursor skills
For the most challenging targets, the Knowledge Graph plus conditional-probability tables surface the precursor LCs most predictive of future mastery.
STEP 4
Recommend aligned IM v.360 supports
Query the Knowledge Graph for IM v.360 resources aligned to the relevant precursor LCs; make them available to the teacher.

Three views of the same workflow

Tier 1Whole-class planning
Before a new unit begins. No student-specific performance data required. The Knowledge Graph plus empirical mastery thresholds identify the high-challenge standards in the upcoming unit and the precursor work that anchors them. Answers: "What should I prepare the class for before we begin this unit?"
See it: Tier 1 Planning tab
Tier 2Student view
Once testlet performance has accumulated. Combines the Knowledge Graph, mastery thresholds, conditional probabilities, and the student's prior testlet history to bucket every upcoming standard as deep prep / a little work / no prep needed, with precursor work and observed misconceptions surfaced per standard. Answers: "What does this student specifically need before the next unit?"
See it: Student tab
Tier 2Classroom view
Rolls the student-level signal up to the class. A student × standard readiness matrix ranks the upcoming-unit standards by greatest need; clicking a standard shows the precursor prep card with a per-student breakdown of who needs what. Answers: "For each upcoming standard, who in my class needs the prep, and what does the prep look like?"
See it: Classroom tab

Reading the numbers on each prep card

Each prep card shows two empirically grounded numbers from New Meridian's conditional-probability tables:

  • Mastery threshold (rp67) — the ability level at which a student has a 67% probability of mastering a standard. Compared against the student's IRT ability to bucket each upcoming standard as deep prep / a little work / no prep needed.
  • Without it → With it on each prep card — the probability of mastering the target standard for students who have not yet mastered the precursor versus those who have. The wider the gap, the more leverage the prep work provides. All values are clipped to 5–95% so extreme small-sample artifacts don't display as 0% or 100%.

Cross-grade gates are marked "Modeled" — NMC's empirical conditional probabilities are intra-grade only, so any K-5 → 6-8 transition probability is derived from in-grade LC mastery patterns toward the target standard, not measured directly.