Addition Facts. 1st Grade Math Worksheets and Answer key, Study Guides and Vocabulary Sets.. Nebraska Core Academic Content Standards

◂Math Worksheets and Study Guides First Grade. Addition Facts

Study Guide

Addition Facts Worksheet/Answer key

Addition and Subtraction Worksheet/Answer key

Add it up for Christmas Vocabulary/Answer key

Addition Facts Vocabulary/Answer key

Addition Facts

Create And Print more Subtraction Facts worksheets with Math Facts Worksheets generator

The resources above correspond to the standards listed below:

Nebraska Core Academic Content Standards

NE.MA.1.1. NUMBER: Students will communicate number sense concepts using multiple representations to reason, solve problems, and make connections within mathematics and across disciplines.

MA.1.1.2. Operations: Students will demonstrate the meaning of addition and subtraction with whole numbers and compute accurately.

MA.1.1.2.a. Fluently (i.e., automatic recall based on understanding) add and subtract within 10.

MA.1.1.2.b. Add and subtract within 20, using a variety of strategies (e.g., count on to make a ten).

NE.MA.1.2. ALGEBRA: Students will communicate algebraic concepts using multiple representations to reason, solve problems, and make connections within mathematics and across disciplines.

MA.1.2.2. Algebraic Processes: Students will apply the operational properties when adding and subtracting.

MA.1.2.2.a. Decompose numbers and use the commutative and associative properties of addition to develop addition and subtraction strategies including (making 10’s and counting on from the larger number) to add and subtract basic facts within 20 (e.g., decomposing to make 10, 7 + 5 = 7 + 3 + 2 = 10 + 2 = 12; using the commutative property to count on 2 + 6 = 6 + 2; and using the associative property to make 10, 5 + 3 + 7 = 5 + (3 + 7) = 5 + 10).

MA.1.2.3. Applications: Students will solve real-world problems involving addition and subtraction.

MA.1.2.3.a. Solve real-world problems involving addition and subtraction within 20 in situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all parts of the addition or subtraction problem (e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem).

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