South Dakota Standards
SD.2.A. Algebra: Students will use the language of algebra to explore, describe, represent, and analyze number expressions and relations that represent variable quantities.
2.A.2. Use a variety of algebraic concepts and methods to solve equations and inequalities.
2.A.2.1. Comprehension: Students are able to use concepts of equal to, greater than, and less than to compare numbers (0-100).
2.A.2.1.b. Write the words less than or greater than between two numbers.
SD.2.N. Number Sense: Students will develop and use number sense to investigate the characteristics of numbers in a variety of forms and modes of operation.
2.N.1. Analyze the structural characteristics of the real number system and its various subsystems. Analyze the concept of value, magnitude, and relative magnitude of real numbers.
2.N.1.2. Comprehension: Students are able to identify and represent fractions as parts of a group.
2.N.3. Develop conjectures, predictions, or estimations to solve problems and verify or justify the results.
2.N.3.1. Application: Students are able to solve addition and subtraction problems up to 100 in context.
2.N.3.1.a. Represent problem situations and solve using concrete objects, pictures, numbers, tables, or charts.