1stMathStandard2

Standard 2: Students will identify and use number patterns and properties to describe and represent mathematical relationships.

Objective 1: Recognize, describe, and represent patterns with more than one attribute. a. Sort and classify objects using more than one attribute. b. Identify, create, and label repeating patterns using objects, pictures, and symbolic notation. c. Identify, create, and label growing patterns using objects, pictures, and symbolic notation. d. Use patterns to establish skip counting by twos, fives, and tens.

Objective 2: Recognize and represent mathematical relationships using symbols and use number sentences with operational symbols to solve problems. a. Recognize that “=” indicates that the two sides of an equation are expressions of the same number. b. Recognize that “+” indicates the joining of sets and that “-” indicates the separation of sets. c. Write and solve number sentences from problem situations involving addition and subtraction, using symbolic notation for the missing value (e.g., △ + 4 = 7). d. Create problem situations from given number sentences involving addition and subtraction.