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## Algebra Standard for Grades Pre-K-2

 Expectations
 Instructional programs from prekindergarten through grade 12 should enable all students to— In prekindergarten through grade 2 all students should— Understand patterns, relations, and functions sort, classify, and order objects by size, number, and other properties; recognize, describe, and extend patterns such as sequences of sounds and shapes or simple numeric patterns and translate from one representation to another; analyze how both repeating and growing patterns are generated. Represent and analyze mathematical situations and structures using algebraic symbols illustrate general principles and properties of operations, such as commutativity, using specific numbers; use concrete, pictorial, and verbal representations to develop an understanding of invented and conventional symbolic notations. Use mathematical models to represent and understand quantitative relationships model situations that involve the addition and subtraction of whole numbers, using objects, pictures, and symbols. Analyze change in various contexts describe qualitative change, such as a student's growing taller; describe quantitative change, such as a student's growing two inches in one year.