Percent Increase and Decrease Quiz

2+ results

6.13C variation and environmental change: Data analysis and CER

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Engage students in analyzing real-world data about variation, environmental change, and natural selection using this scaffolded Fiddler Crab CER investigation aligned to Texas Science TEKS 6.13C. In this activity, students examine how variation in claw size affects mating success, survival rate, predation risk, and population changes as environmental conditions shift. Through structured data analysis and Claim–Evidence–Reasoning writing, students determine how environmental pressures influence

6th - 8th

Biology, Environment, General Science

NGSS

MS-LS2-1

, MS-LS4-4

25 Oral Reading Fluency Passages with Record Sheet Data Tracker for Grades 10-12

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SticksandStones

Oral reading fluency (ORF) isn’t just an elementary skill—it's important for high school level readers too, because fluency supports comprehension, expression, and engagement with complex texts. For example, instruction guides emphasize that more skilled learners still need to read with accuracy, appropriate rate, and expression to support comprehension of grade-level texts. Repeated reading of passages helps older students build automaticity and frees cognitive resources for higher-order think

6th - 12th

Library Skills, Reading, Reading Strategies