TEKS Math Task Cards for 6th Grade Math Centers: These 24 task cards are aligned with TEKS Standard 6.4E: Modeling Ratios and Ratios. Several types of questions help you assess how well your students represent ratios and percents with concrete models, fractions, and decimals. 6.4E Represent ratios and percents with concrete models, fractions, and decimals.Task cards are great for a whole-class game, math centers/stations, fast finishers, extra practice, homework, scavenger hunt, quiz-quiz-trad