**Texas Assessments of Academic Readiness (STAAR)**. A proportion is a statement that two ratios are equal. A ratio is a pair of numbers used to show a comparison. To solve a proportion, calculate equivalent fractions in order to be sure the two fractions (ratios) are equal. Read More...

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TX.STAAR.6. STAAR Grade 6 Mathematics Assessment

Reporting Category 1: Numbers, Operations, and Quantitative Reasoning - The student will demonstrate an understanding of numbers, operations, and quantitative reasoning.

(6.2) Number, operation, and quantitative reasoning. The student adds, subtracts, multiplies, and divides to solve problems and justify solutions. The student is expected to:

6.2 (C) Use multiplication and division of whole numbers to solve problems including situations involving equivalent ratios and rates. Readiness Standard (STAAR)

Reporting Category 2: Patterns, Relationships, and Algebraic Reasoning - The student will demonstrate an understanding of patterns, relationships, and algebraic reasoning.

(6.3) Patterns, relationships, and algebraic thinking. The student solves problems involving direct proportional relationships. The student is expected to:

6.3 (A) Use ratios to describe proportional situations. Supporting Standard (STAAR)

6.3 (B) Represent ratios and percents with concrete models, fractions, and decimals. Supporting Standard (STAAR)

6.3 (C) Use ratios to make predictions in proportional situations. Readiness Standard (STAAR)

(6.4) Patterns, relationships, and algebraic thinking. The student uses letters as variables in mathematical expressions to describe how one quantity changes when a related quantity changes. The student is expected to:

6.4 (A) Use tables and symbols to represent and describe proportional and other relationships such as those involving conversions, arithmetic sequences (with a constant rate of change), perimeter and area. Readiness Standard (STAAR)

Underlying Processes and Mathematical Tools: These skills will not be listed under a separate recording category. Instead, they will be incorporated into at least 75% of the test questions in reporting categories 1-5 and will be identified along with content standards.

(6.12) Underlying processes and mathematical tools. The student communicates about Grade 6 mathematics through informal and mathematical language, representations, and models. The student is expected to:

6.12 (A) Communicate mathematical ideas using language, efficient tools, appropriate units, and graphical, numerical, physical, or algebraic mathematical models. (STAAR)