Tier 1
Embed explicit modeling and practice in daily core instruction.
1. Standard At A Glance
Standard: MATH.10.G-CO.B.7
Short description: Use the definition of congruence in terms of rigid motions to show that two triangles are congruent if and only if corresponding pairs of sides and corresponding pairs of angles are congruent.
2. Typical Indicators
- Student demonstrates this skill during core instruction tasks.
- Student can transfer the skill to related assignments with reduced prompting.
- Student performance shows improving consistency over time.
3. Warning Signs
- Student performance remains inconsistent across contexts.
- Student has persistent errors tied to prerequisite skills.
- Student requires sustained intensive prompting to complete aligned tasks.
4. Escalating Accommodations
Tier 2
Use targeted small-group instruction with structured guided practice.
Tier 3
Provide intensive individualized support with frequent progress checks.
5. Modifications
- Diverse learners: include language objectives, visuals, and scaffolded response options.
- Disabled learners: provide adapted materials, pacing, and assistive supports.
6. IEP Considerations (If Student Has a Disability)
- Align this standard to present levels and measurable annual goals.
- Document accommodations, specially designed instruction, and service frequency.
- Use regular progress-monitoring checks linked to this standard.
- Coordinate implementation across general/special education and family communication.
- Adjust supports based on data at scheduled IEP review intervals.
7. Cross-Curricular Integration
Integrate into proof writing, spatial reasoning tasks, and real-world modeling.