Work with Addition and Subtraction Equations Exercise Worksheet | Math Pyramid
Work with Addition and Subtraction Equations Worksheet
Description: CCSS.Math.Content.1.OA.D.7 Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.
Tags: 1st grade math, Addition, Subtraction, CCSS.Math.Content.1.OA.D.7