Texas TEKS 6.2.C

Science6th GradeScientific and engineering practices

The Standard

use mathematical calculations to assess quantitative relationships in data

Texas Essential Knowledge and Skills for Science

Teacher's field guide

What Students Need to Do: Students choose a calculation that fits a data set, such as finding a difference, average, ratio, or rate. They use the result to describe how two measured quantities are related.
What Mastery Looks Like: Students calculate accurately, label answers with units, and show their work. They use the calculated values to make a clear claim about a pattern or relationship in the data.
Common Misconceptions: Students may choose an operation without considering what the question asks. They may drop units, average incorrectly, or describe a visual trend without supporting it with calculated values.
How to Assess It: Give an exit ticket with water temperatures of 20°C, 26°C, and 32°C at 0, 2, and 4 minutes. Ask students to calculate the temperature change per minute and describe the relationship.

Lesson moves

Change a toy car ramp's height, measure travel distance for three trials, calculate averages, and compare ramp height with average distance.
Ask students to write which calculation best compares plant growth under two light conditions and explain why.
Play a card match game pairing data tables with the correct calculation, answer, and evidence-based conclusion.
Use hourly weather data to calculate temperature changes and explain how temperature relates to time of day.

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