About This Lesson
Math CCS Operations and Algebraic Thinking in the first grade
Work with addition and subtraction equations 1.7:
Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2. Appropriate for Early Childhood Education (Pre-K and younger). ECE-MA, ECE-MA-co, ECE-MA-po, ECE-MA-ma , 1.OA.2