**Nebraska Education Standards**. Count forward by 1 or count backwards by 1. Read More...

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NE.MA 2.1. Students will communicate number sense concepts using multiple representations to reason, solve problems, and make connections within mathematics and across disciplines.

MA 2.1.3. Computation: Students will compute fluently and accurately using appropriate strategies and tools.

MA 2.1.3.a. Fluently add whole number facts with sums to 20

MA 2.1.3.d. Use a variety of methods and tools to compute sums and differences (e.g., models, mental computation, paper-pencil)

NE.MA 2.3. Students will communicate algebraic concepts using multiple representations to reason, solve problems, and make connections within mathematics and across disciplines.

MA 2.3.2. Modeling in Context: Students will use objects, pictures, and symbols as models to represent mathematical situations.

MA 2.3.2.a. Model situations that involve the addition and subtraction of whole numbers 0 - 100, using objects and number lines