Explanatory Notes * At the range mid-point, this is the probability students would correctly answer items measuring these concepts and skills. Both data from test items and review by NWEA curriculum specialists are used to place Learning Continuum statements into appropriate RIT ranges. Blank cells indicate data are limited or unavailable for this range or document version. Generated 8/7/14, 9:50:06 PM © 2006-2014 Northwest Evaluation Association. All rights reserved. Please refer to the DesCartes Use Agreement for terms of use. Educational Standard: Common Core Mathematics K-12: 2010 Page 1 of 21 DesCartes: A Continuum of Learning® Mathematics RIT Score Range: < 161 Statements Last Updated: Aug 4, 2014 Goal: Operations and Algebraic Thinking Skills and Concepts to Develop (50% Probability*) < 161 Skills and Concepts to Introduce (27% Probability*) 161 - 170 Use Functions to Model Relationships Use Functions to Model Relationships New Vocabulary: None New Signs and Symbols: None New Vocabulary: None New Signs and Symbols: + addition, = is equal to, - subtraction, variable

Please refer to the DesCartes Use Agreement for terms of use. Educational Standard: Common Core Mathematics K-12: 2010 Page 1 of 21 DesCartes: A Continuum of Learning® Mathematics RIT Score Range: < 161 Statements Last Updated: Aug 4, 2014 Goal: Operations and Algebraic Thinking Skills and Concepts to Develop (50% Probability*) < 161 Skills and Concepts to Introduce (27% Probability*) 161 - 170 Use Functions to Model Relationships Use Functions to Model Relationships New Vocabulary: None New Signs and Symbols: None New Vocabulary: None New Signs and Symbols: + addition, = is equal to, - subtraction, variable Explanatory Notes * At the range mid-point, this is the probability students would correctly answer items measuring these concepts and skills. Both data from test items and review by NWEA curriculum specialists are used to place Learning Continuum statements into appropriate RIT ranges. Blank cells indicate data are limited or unavailable for this range or document version. Generated 8/7/14, 9:50:06 PM © 2006-2014 Northwest Evaluation Association. All rights reserved. Please refer to the DesCartes Use Agreement for terms of use. Educational Standard: Common Core Mathematics K-12: 2010 Page 2 of 21 DesCartes: A Continuum of Learning® Mathematics RIT Score Range: 161 - 170 Statements Last Updated: Aug 4, 2014 Goal: Operations and Algebraic Thinking Skills and Concepts to Enhance (73% Probability*) < 161 Skills and Concepts to Develop (50% Probability*) 161 - 170 Skills and Concepts to Introduce (27% Probability*) 171 - 180 Expressions and Equations Expressions and Equations Expressions and Equations • Solves basic-facts open sentences - addition and subtraction • Represents a basic facts addition problem with a number sentence • Solves basic-facts open sentences - addition and subtraction • Solves linear equations with basic facts - 1-step addition using a letter for the variable • Solves basic facts open sentences - multiplication and division • Writes a number sentence for a simple problem solving situation • Writes equivalent forms of whole number expressions (e.g., 15 + 5 = 10 + 10) Use Functions to Model Relationships Use Functions to Model Relationships Use Functions to Model Relationships • Extends a growing arithmetic pattern, defined by numbers • Analyzes a growing, arithmetic pattern with numbers to determine the rule New Vocabulary: None New Signs and Symbols: None New Vocabulary: None New Signs and Symbols: + addition, = is equal to, - subtraction, variable New Vocabulary: None New Signs and Symbols: None

Please refer to the DesCartes Use Agreement for terms of use. Educational Standard: Common Core Mathematics K-12: 2010 Page 2 of 21 DesCartes: A Continuum of Learning® Mathematics RIT Score Range: 161 - 170 Statements Last Updated: Aug 4, 2014 Goal: Operations and Algebraic Thinking Skills and Concepts to Enhance (73% Probability*) < 161 Skills and Concepts to Develop (50% Probability*) 161 - 170 Skills and Concepts to Introduce (27% Probability*) 171 - 180 Expressions and Equations Expressions and Equations Expressions and Equations • Solves basic-facts open sentences - addition and subtraction • Represents a basic facts addition problem with a number sentence • Solves basic-facts open sentences - addition and subtraction • Solves linear equations with basic facts - 1-step addition using a letter for the variable • Solves basic facts open sentences - multiplication and division • Writes a number sentence for a simple problem solving situation • Writes equivalent forms of whole number expressions (e.g., 15 + 5 = 10 + 10) Use Functions to Model Relationships Use Functions to Model Relationships Use Functions to Model Relationships • Extends a growing arithmetic pattern, defined by numbers • Analyzes a growing, arithmetic pattern with numbers to determine the rule New Vocabulary: None New Signs and Symbols: None New Vocabulary: None New Signs and Symbols: + addition, = is equal to, - subtraction, variable New Vocabulary: None New Signs and Symbols: None Explanatory Notes * At the range mid-point, this is the probability students would correctly answer items measuring these concepts and skills. Both data from test items and review by NWEA curriculum specialists are used to place Learning Continuum statements into appropriate RIT ranges. Blank cells indicate data are limited or unavailable for this range or document version. Generated 8/7/14, 9:50:06 PM © 2006-2014 Northwest Evaluation Association. All rights reserved. Please refer to the DesCartes Use Agreement for terms of use. Educational Standard: Common Core Mathematics K-12: 2010 Page 3 of 21 DesCartes: A Continuum of Learning® Mathematics RIT Score Range: 171 - 180 Statements Last Updated: Aug 4, 2014 Goal: Operations and Algebraic Thinking Skills and Concepts to Enhance (73% Probability*) 161 - 170 Skills and Concepts to Develop (50% Probability*) 171 - 180 Skills and Concepts to Introduce (27% Probability*) 181 - 190 Expressions and Equations Expressions and Equations Expressions and Equations • Solves basic-facts open sentences - addition and subtraction • Represents a basic facts addition problem with a number sentence • Solves basic-facts open sentences - addition and subtraction • Solves linear equations with basic facts - 1-step addition using a letter for the variable • Solves basic facts open sentences - multiplication and division • Writes a number sentence for a simple problem solving situation • Writes equivalent forms of whole number expressions (e.g., 15 + 5 = 10 + 10) • Solves real-world whole number problems involving subtraction with numbers under 1000 • Demonstrates an understanding of the zero property of multiplication • Solves basic facts addition and subtraction open sentences using diagrams and models (e.g., using balances) • Solves linear equations with basic facts - 1-step addition using a letter for the variable • Solves 1-step open sentences with missing addends (numbers 100 and under) • Writes a number sentence for a simple problem solving situation • Writes equivalent forms of whole numbers 11 to 20 using addition (e.g., 14 = 7 + 7) Use Functions to Model Relationships Use Functions to Model Relationships Use Functions to Model Relationships • Extends a growing arithmetic pattern, defined by numbers • Analyzes a growing, arithmetic pattern with numbers to determine the rule • Extends a growing arithmetic pattern, defined by numbers • Analyzes a growing, arithmetic pattern with numbers to determine the rule • Identifies transformations of plane figures (translations/slides) • Reads data in a line graph - no calculations New Vocabulary: None New Signs and Symbols: + addition, = is equal to, - subtraction, variable New Vocabulary: None New Signs and Symbols: None New Vocabulary: None New Signs and Symbols: × multiplication